www.precise.co.th
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Precise conducts outstanding business using vertical integration of
various capable companies among group and global partners to
deliver product, system and services in the area of
1. Electrical Power Distribution up to 145 kV
2. Intelligent Power & Community Control System
3. Renewable Distributed Generation
4. Green building & Ecology House with low Energy Consumption
Appliances
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Vision
“Precise aims to achieve long-term and sustainable growth in harmony with
stakeholders, and to be a quality organization with good governance”
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Content
PRECISE Profiles
Products List
Research & Development
Quality & Certificate
‘THE ONE BRAND YOU CAN TRUST’
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Precise
Precise is a group of Thai Companies specialized in the filed of Electrical Power Distribution
Equipment up to 115kV. Project & Service for Substation, Renewable Energy and Supervisory System
Since its formation in 1983, PRECISE has accomplished an impressive growth rate of
approximately 20% per annum. Our headquarter is situated in Bangkok with two main factories in Nonthaburi
and Pathumthani provinces. Currently there are over 700 employees working within the group and will
achieve in excess of US$55 million in 2008
Every single member of the PRECISE GROUP are working towards creating a better world by
providing the maximal standard of products and services in order to satisfy our customer need, whilst at the
same time community and the global environment by providing clean and efficient energy system
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Group Profiles
HOLDING COMPANY & INTERNATIONAL BUSINESS
-Precise International Corporation Ltd.
-Precise Trade International Co., Ltd.
SBU : INTELLIGENT POWER & COMMUNITY CONTROL SYSTEM
-Precise System & Project Co., Ltd.
-Precise Electronic Co., Ltd.
-Precise System Service Co., Ltd.
Precise Group
SBU : ADVANCED POWER DISTRIBUTION
-Precise Electric Manufacturing Co., Ltd.
-Precise Electro-Mechanical Works Co., Ltd.
-Coelme International Co., Ltd.
SBU : ELECTRICAL, ENERGY & ENVIRONMENT
-Precise Green Product Co., Ltd.
-Precise Clean Energy & Environment System Co., Ltd.
-Precise Electrical Material & Parts Co., Ltd.
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HOLDING COMPANY & INTERNATIONAL BUSINESS
PRECISE INTERNATIONAL CORPORATION LTD. (PCI)
Precise International Corporation Ltd. Registered established on Nov, 25, 1983 with capital
investment 100,000,000 Bath. Precise International Co., Ltd. is the Holding Company in PRECISE
GROUP, Managing related to marketing & offering standard equipment in medium & low voltage
equipments for distribution system. Which be acceptable from organization both government and
private section. Precise International Co., Ltd. Is the importer and agent for equipment which not be
produced by precise group from European, Japan and China
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HOLDING COMPANY & INTERNATIONAL BUSINESS
PRECISE TRADE INTERNATIONAL CO., LTD. (PTI)
Precise Trade International Co., Ltd. registered established on Apr, 2, 2008 with capital investment
1,000,000 Bath. Precise Trade International Co., Ltd. Is a company in International Trade Business
line. Precise Trade International Co., Ltd. Is the exporter in precise group that have international
standard for south east asia, middle east and EU including importing raw material and equipment
for producing company both internal & external precise group
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INTELLIGENT POWER & COMMUNITY CONTROL
SYSTEM
PRECISE SYSTEM & PROJECT CO., LTD. (PSP)
Precise System & Project Co., Ltd. registered established on Mar, 8, 1990 with capital investment
100,000,000 Bath. Precise System & Project Co., Ltd. Is subsidiary company of precise group in
SBU Intelligent Power & Community Control System. Managing related to Control & Automation
system in substation up to 230kV, SCADA system, Transformer & LV management system and
Distributed Generation Business
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INTELLIGENT POWER & COMMUNITY CONTROL
SYSTEM
PRECISE ELECTRONIC CO., LTD. (PCE)
Precise Electronic Co., Ltd. registered established on Nov, 22, 2006 with capital investment
1,000,000 Bath. Precise Electronic Co., Ltd. is subsidiary company of precise group in SBU
Intelligent Power & Community Control System. Managing related to LV/MV control & Monitoring
Equipment, Power Electronic Equipment and Instrument tool & testing Equipment.
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INTELLIGENT POWER & COMMUNITY CONTROL
SYSTEM
PRECISE SYSTEM SERVICE CO., LTD. (PSS)
Precise System Service Co., Ltd. registered established on Oct, 25, 2005 with capital investment
1,000,000 Bath. Precise System Service Co., Ltd. is subsidiary company of precise group in SBU
Intelligent Power & Community Control System. Managing related to Maintenance Services for
Engineering System (Preventive & Corrective Maintenance, Installation & Test commissioning,
Equipments/Card Repair Center and Spare Part Sale.
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ADVANCED POWER DISTRIBUTION
PRECISE ELECTRIC MANUFACTURING CO.,LTD. (PEM)
Precise Electric Manufacturing Co., Ltd. registered established on May, 12, 1986 with capital
investment 130,000,000 Bath (During up to 175,000,000 Bath) . Precise Electric Manufacturing Co.,
Ltd. is subsidiary company of precise group in SBU Advanced Power Distribution. Manufactured
Distribution Transformer, Instrument Transformer(Dry and Oil), Surge Arrester, Cable Spacer and
MV/LV Capacitor
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ADVANCED POWER DISTRIBUTION
PRECISE ELECTRO-MECHANICAL WORKS CO.,LTD. (PMW)
Precise Electro-Mechanical Works Co., Ltd. registered established on Nov, 16, 1993 with capital
investment 30,000,000 Bath. Precise Electro-Mechanical Works Co., Ltd. is subsidiary company of
precise group in SBU Advanced Power Distribution. Manufactured Air Insulated Switchgear,
Junction Box AC/DC Board, Containerize Switchgear, GIS or Solid Type Switchgear, Ring Main
Unit and Load Break Switch.
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ADVANCED POWER DISTRIBUTION
COELME INTERNATIONAL CO.,LTD. (CI)
Coelme International Co., Ltd. registered established on Sep, 7, 1994. Coelme International Co.,
Ltd. Was joint venture between Precise Electric Manufacturing Co., Ltd. And Coelme S.P.A Co.,
Ltd. From Italy. Coelme International Co., Ltd. Jointly owned by Precise Electric Manufacturing Co.,
Ltd. 60% and Coelme S.P.A Co., Ltd. 40% . Manufactured Disconnecting Switch up to 115kV
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ELECTRICAL, ENERGY & ENVIRONMENT
PRECISE GREEN PRODUCT CO., LTD. (PGP)
Precise Green Product Co., Ltd. registered established on July, 20, 1992 with capital investment
40,000,000 Bath. Precise Green Product Co., Ltd. is subsidiary company of precise group in SBU
Electrical, Energy & Environment. Managing related to Electrical Products, Solar Application, Green
Environment Project & Services and Rotating Machine & Magnetic Product.
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ELECTRICAL, ENERGY & ENVIRONMENT
PRECISE CLEAN ENERGY & ENVIRONMENT SYSTEM CO., LTD. (PCS)
Precise Clean Energy & Environment System Co., Ltd. registered established on Apr, 17, 2006
with capital investment 1,000,000 Bath. Precise Green Product Co., Ltd. is subsidiary company of
precise group in SBU Electrical, Energy & Environment. Managing related to Preventive &
Corrective Maintenance Services such as Transformer, Load Break Switch, Main distribution Board,
etc.
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ELECTRICAL, ENERGY & ENVIRONMENT
PRECISE ELECTRICAL MATERIALS & PARTS CO., LTD. (PMP)
Precise Electrical Materials & Parts Co., Ltd is subsidiary company of precise group in SBU
Electrical, Energy & Environment. Managing related to Logistics & Distributor, Copper Base
Material and Hardware Equipment
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PRODUCTS
Transformer
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MV Disconnecting Switch
MV/LV Capacitor
Surge Arrester
Load Break Switch
LT Fuse Switch
Current Transformer
Fuse Cutout
PV-Module
Voltage Transformer
Fuse Link
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Transformer
Standard Feature
PRECISE Transformer is designed base on latest both Thai and
International standard such as TIS,IEC, ANSI / IEEE or other customer
requirements. Our transformers made with high quality materials and
have compact design to ensure that our transformer passed all routine
and type test according to the standard requirement and has long
service lifetime.
Single Phase
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Three Phase
-Single phase & Three phase
-Ratings from 10 up to 1000 kVA
-Max Operating voltage up to 36 kV
-Oil-immersed, ONAN
-Indoor & Outdoor Operation
IEC 60076, TIS 384
-Passed shot circuit test at CESI
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Surge Arrester
Standard Feature
PRECISE surge arresters have manufactured certificate ISO 9001
and successfully pass the test requirements according the latest version
of IEC 60099-4 Both LT and HT surge arresters are available to limit over
voltage and to protect the equipment
Type: LAS
Type: LOZA
Distribution
Class
Station Class
-Polymeric Silicone Housing
-Metal Oxide Surge Arrester without gaps for AC system For
Distribution System
From 3kV – 45 kV, 5kA
From 3kV – 45 kV, 10kA - Class 1,2,3
IEC 60099-4
-Type Test from CESI / Italy
At Upper circuit of 14m. pole
LT Surge Arrester
At Upper Transformer
HT Surge Arrester
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Current Transformer (Oil Type)
Standard Feature
The ’s current transformers are intended to be used, particularly, for
transforming the high current of AC power systems to the lower current
levels which subsequently are inputs for measuring systems.
TYPE : COL
12,24,36 kV
-Highest system voltage 12/24/36 kV
-Oil Type
-Outdoor Installation
-Rated Primary current 10…800 In
-Rated secondary current 1or 5
-Ambient Temperature up to 1000 M above sea level
-Tropical Climate
-Applied standard IEC 60044-1, ANSI C 57.13
For Metering
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Current Transformer (Oil Type)
Standard Feature
PRECISE COU Current Transformer are used to connected in each
phase of distribution lines to provide a proportionate low current on
secondary side. They help to perform the following functions.
: Measure / monitor current
: Electrically isolate the instrument and relays from high voltage side
: Measure power flow
: Sense abnormalities in voltage for system Protection
TYPE : COU
123 kV
-Type of insulation OIL IMMERSED
- Applied standard IEC60044-1
- Highest system voltage 123 kV
-Rated short-time thermal current,
lth (1sec.) 40 kA (max.) kA
-Rated dynamic current 2.5xlth kA
-Lightning impulse withstand voltage 550 kA
Type Test From CESI
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PEA Substation
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Current Transformer (Dry Type-Outdoor)
Standard Feature
Current transformer serve as apparatus for transforming rated
primary currents of 1 or 5 A suitable for feeding the measuring and
protection devices. In the same time, they set apart the medium voltage
primary side from the low voltage secondary side thus ensuring safety of
operating personnel.
TYPE : CExL12,CExL-24
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TYPE : LEM
-Outdoor use
-Highest voltage of equipment 12-24 kV
-Rated primary current 10-1,500 A
-Rated secondary current 1 or 5 A
-Rated output metering 15 VA, Class 0.5, Fs 10
-Rated output protection 30 VA, Class 10P, Fs 10
-Accuracy Class 0.5
-IEC 60044-1
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Current Transformer (Dry Type-Indoor)
Standard Feature
TYPE : CEL12,CEL-24
TYPE : LDB 400-5
Current transformer serve as apparatus for transforming rated
primary currents of 1 or 5 A suitable for feeding the measuring and
protection devices. In the same time, they set apart the medium voltage
primary side from the low voltage secondary side thus ensuring safety of
operating personnel. Current transformer can be operated in indoor
conditions in medium voltage networks up to 24 kV. It is advisable to
protect the transformers from direct sunlight and an excess of dust.
-Suit for indoor
-System Voltage up to 36 kV
-Accuracy class 0.5
-IEC 60044-2
-ANSI C57.13
-BS 3941
Ring Type :
CDB-210
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Voltage Transformer (Oil Type)
Standard Feature
The ’s voltage transformers are intended to be used, particularly,
for transforming the high voltages of AC power systems to the lower
voltage levels which subsequently are inputs for measuring systems.
TYPE : VOL-24,
VOL-36
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TYPE : VOG-24,
VOG-36
TYPE : VOG-242,
VOG-362
-System voltage up to 36 kV
-Oil Type
-Outdoor Installation
-Ambient Temperature up to 1000 M above sea level
-Tropical Climate
-IEC 186 (1987) or 60044-2
-ANSI
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Voltage Transformer (Dry Type-Outdoor)
Standard Feature
VExL transformers serve as apparatus for transforming high values
of primary voltages to secondary voltages suitable for feeding the
measuring and protection devices, which are proscribed by standard.
TYPE : VExL up
to 24
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-Insulation level (IEC) 25.5/40/123 kV
-Rated Primary Voltages up to 24 kV
-Rated Secondary Voltage 120 V
-Epoxy Resin
-Outdoor use
-Accuracy class 0.5
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Voltage Transformer (Dry Type-Indoor)
Standard Feature
VEG transformers serve as apparatus for transforming high values
of primary voltages to secondary voltages suitable for feeding the
measuring and protection devices, which are proscribed by standard.
VEG transformers can be operated in indoor conditions in medium
voltage networks up to 24 kV
TYPE : VEG-12,
VEG-24
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-Suit for indoor/outdoor
-System Voltage up to 36 kV
-Accuracy / Protection class (0,2), (0,5), 1, 3, 3P, 6P
-Voltage Factor 1.9/8
-IEC 60044-2
-ANSI C57.13
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Low Voltage Capacitor (Out door)
Standard Feature
The Type CAP power capacitors are composed with high quality
elements, Which are made of moralized polypropylene film, is self healing
and dry without impregnation liquid. Protection against climatic and
mechanical influences is protection by an aluminum case. Container are
made of stainless sheet with all join welded and tested for liquid tightness.
TYPE : CAP
230,400 Volt
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-Rated Voltage 230-400 volt
-Rated frequency 50 Hz
-Connection 3 Phase (single Phase on request)
-Execution Outdoor
-Overvoltage 1.1 Un (Rated Voltage)
-Overcurrent 1.3 In (Rated Current)
-Standard IEC 831-1,IEC 831-2
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Medium Voltage Capacitor
Standard Feature
Medium Voltage capacitors are made of different basic capacitive
parts. These basic units are connected in series and parallel groups to
obtain the required power and voltage. Once the parts package has been
manufactured, the set is placed in a stainless steel box , porcelain
terminals are added and impregnated with ( biodegradable ) oil , thereby
guaranteeing the unit ’s perfect insulation and operation.
TYPE : CLM
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-Rated 100,200 kVAR
-Indoor/outdoor
-Rated Voltage 12.7 kV
-Rated frequency 50 Hz
-Overvoltage 110%
-Overcurrent 130%
-Maximun overload 135%
-Applied Standard IEC 60871-1
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MV Disconnecting Switch
Standard Feature
-Single Pole, outdoor, hook operated
-Suitable for vertical & horizontal
-Rated up to 24, 36 kV
-Rated current upto 2000A ( or 1250,2000 A)
-Production under “Coelme/Italy”
TYPE : SLOC/D
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Load Break Switch SF6
Standard Feature
TYPE : SF 6
• The puffer interrupter has designed for more 400 operations a rated
normal current interruption and 2000 operations at no-load.
• 24 VDC Battery is capable to sustain operation in the event of loss of AC
power source.
• Toggle mechanism could sectionalize the feeder line in short time.
(Close/Open within 1 sec.)
• The switch has been tested in accordance with IEC requirement.
-Rated Voltage 24 kV,36 kV
-Rated frequency 50 Hz
-Rated normal current 630 A, 400 A
-Applied standard IEC
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Fuse Cutout
Standard Feature
TYPE : PGC 27,38
kV
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-Maximum voltage design 27kV, 38kV
-Rated continuous current 100A
-Drop down open fuse cutout
-Non expendable cap
-Single vent expulsion fuse holder
-Single core bird proof of porcelain for fuse cutout body
-Off load operation but have hook for on load by load buster
-Apply for protection over current and fault of distribution line
and distribution equipment such as power transformer, current
transformer or capacitor bank etc.
-Applied standard ANCI C37.42
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Fuse Link
Standard Feature
-Design and manufacture accordance to ANSI C37.42
-Removable button head style for using with arc
shortening rod
-Use to drop out distribution fuse cutout maximum
design voltage 27kV and 38kV
TYPE : K
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Low Tension Fuse Switch
Standard Feature
TYPE : OFS-4A5
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-Design and manufacture accordance to IEC60947-3
-Suits HRC fuse bolted connections type size B1 to B4 and
blade contacts type size 0 to 2 accordance to IEC 60269-2-1
-Single pole – Single throw switch
-Rated maximum voltage 500V and 400A maximum current
-Suits NEMA PAD 2 Holes terminal
-Suits standard hook-sticks
-On-load switching capability
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PV-Module
Standard Feature
-Renewable energy source
-High efficiency Crystalline Sillicon solar cell
-Environment Friendly and easy to install Minimum
maintenance is required
-Corrosion-resistant anodized aluminum frame
-By-pass diodes for minimum power loss when partially
shaded
-Application for Solar Street Lighting, Solar Home
System, Solar Rooftop or Hybridsystem
TYPE : PV 150-36
PV ARRAY 2 kWp
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Research & Development
PRECISE has focused on researching and developing its
management and production system by utilizing state-of-the-art
machinery and technology from overseas and from its own
invention to increasing high quality of products. Its products
are of that the highest standards and are exported throughout
the global market.
New Products Development
Polymer Insulator up to 36 kV
Polymer Insulator up to 123 kV
MV Power Capacitor up to 400 kVAR 22.13 kV
MV Current Limiting Reactor
Capacitive Voltage Transformer 123 kV
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Research & Development
New Products Development
- Ring Main Unit
- Unit Substation
- 115 kV Compact Modular Substation
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Research & Development
TESTING PROCESS
The final stage of the production process is electrical testing
before delivery to customers against the requirements of IEC,
ANSI standard as well as approval and guarantee by the Thai
Industrial Standards Institute (TISI).
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Quality & Certificate
QULALITY ASSURANCE SYSTEM
To satisfy its customer’s needs and expectations, PRECISE
implements the quality management system since ISO 9000
version 1994 through 2000 by focusing on quality assurance
system. PRECISE has set raw material criteria to meet the
requirement of each customers (PEA, MEA and EGAT),
standards operative practice of all users, to ensure the product
quality meet the customer’s requirements.
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Certificated
"Total commitment to customer satisfaction is the driving force behind the expansion and
success of PRECISE GROUP
We are not only supply discrete products (Hardware & Software), but also provide system solutions
which are tailored to meet our customer's requirements. We also act as system integrator, sourcing
high quality equipment from our domestic and foreign strategic partner suppliers and engineering or
integrating them to the appropriate system solution in technological and economical aspects.
PRECISE realizes that quality of products efficiency are the most important issues for producing
electrical equipment, in all steps of the process, the company has integrated machinery with ISO
standard and high technology. Moreover, the company only uses best quality raw material to produce
its entire range of high quality products.
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Products Quality Certificates
Precise International Co., Ltd.
(Certified : UKAS, NAC by SGS)
Certified Scope : Trading and Installation of Power
Distribution and Transmission System & Products
Precise System & Project Co., Ltd.
(Certified : UKAS, NAC by SGS)
Certified Scope : Design and Manufacturer of :
Control and Relay protection board ;
Substation Remote Terminal Unit ;
Feeder Remote Terminal Unit ;
Computer-based Substation Control System :
Security System ;
Certified Scope : Project operation and testing of
equipment for electrical transmission & Distribution
Precise System Services Co., Ltd.
(Certified : UKAS, NAC by SGS)
Certify scope : Manufacturing of Electronic Meter
Precise Green Products Co., Ltd.
CE Marks
Thailand Industrial Award
Precise Electric Manufacturing Co.,Ltd.
(Certified : UKAS, NAC by SGS)
Certified Scope : Quality
Management System
Certifications
Precise Electro Mechanical Works Co.,Ltd.
(Certified : UKAS, NAC by SGS)
Certified Scope : Quality
Management System
Certifications
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Employee Focus
- Considered PRECISE’s the most valuable asset, all staffs are important contributors to the
company growth and success.
- Employees are working to create a better world by providing the very highest standards of
products and services in order to satisfy our customers whilst at the same time contributing
to the betterment of the international community and the global environment by providing
clean and energy efficient systems.
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Employee Focus
END OF PRESENTATION
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