December, 2010
Vmax – Indoor vacuum circuit-breakers
for Primary Distribution
Product presentation
1VCP000181 – Rev. D, en – Presentation – 2010.12
© ABB Group
April 13, 2015 | Slide 1
Vmax
Available versions acc. to IEC STDs
© ABB Group
April 13, 2015 | Slide 2

Compliance to IEC 62271-100

12 kV … 17.5 kV ; 630 … 1250 A ; 16 … 31.5 kA

Fixed for freestanding installation

Withdrawable for ABB UniGear ZS1 switchgear (width 550 mm)

Withdrawable for ABB PowerCube module (width 600 mm)

Fixed for ABB UniGear 500R switchgear (width 500 mm)
Vmax
Available versions acc. to ANSI STDs
© ABB Group
April 13, 2015 | Slide 3

Compliance to C37.54 – C37.09 – C37.04 – C37.55

UL listed type L (sticker on request)

15 kV ; 1200 A ; 25 … 31.5 kA (3 cycles)

Fixed for freestanding installation

Withdrawable for ABB PowerCube module (width 600 mm)
Vmax
ANSI version versus IEC version:

Shunt tripping releases suitable for “3 cycles” interruption

Wiring with UL certified cables (& AWG cross-section)

Nameplate with ANSI parameters

Mechanical indicators according to ANSI STDs (symbol &
colour)

Specific Manual Booklet
Vmax
Overview
Open/close aux. contacts
(standard set of ten aux.c.)
Additional opening release
Locking magnet in the actuator
Opening pushbutton
Closing pushbutton
Shunt tripping release
Built-in lever for closing spring
manual charging
Undervoltage release (missing in
the picture)
Shunt closing release
Signalling device for closing
springs charged/discharged
Mechanical operation counter
Geared motor for closing spring
charging
Vmax
Overview
Vmax
Fields of application

Power distribution

Cable control and protection

Overhead control and protection

Transformation and distribution substations

Motor and transformer control and protection

Generator control and protection

Capacitor bank control and protection
Vmax
Strenghts

Application where space saving is a premium

Compact dimensions compared to existing VD4

Freestanding vacuum interrupters

Moulded case design
Vmax
Features

Vacuum interruption technique

Contacts in vacuum protected against oxidation
and contamination

Sealed for life vacuum interrupters

Vacuum interrupters and EL mechanical actuator
already used and tested in new VD4 series

Limited switching energy

10,000 mechanical operations

Stored energy operating mechanism with built-in
anti-pumping device and closing spring charging
lever

Insulating monobloc

Operating mechanism and monobloc fixed to a
sturdy metal frame

Easy customization with a complete range of
accessories

Locks to prevent incorrect and hazardous
operations
Vmax
Standard equipment

Mechanical signalling device for CB open/closed

Mechanical signalling device for closing spring
charged/discharged

Opening and closing pushbuttons

Mechanical operation counter

Built-in lever for manually charging of closing spring

Anti-pumping mechanical built-in function

5 + 5 auxiliary contacts

Connection terminals and terminal board for auxiliary circuits (for
fixed CB)

Isolating contacts, cord with connector (plug only), racking-in/out
lever (for withdrawable CB)
Vmax
Other accessories, on request

Shunt tripping release

Additional shunt tripping release

Shunt closing release

Opening solenoid (for self-supplied overcurrent relay ABB PR family)

Undervoltage release

Electronic time delay (which must be mounted externally in relation to the
circuit breaker) for undervoltage release

Mechanical override for undervoltage release

Opening and closing pushbuttons protection

Opening and closing pushbuttons padlock

Key-lock in open position

5 extra auxiliary contacts
Vmax
Other accessories, on request

Motorgear for closing spring charging

Signalling contact closing spring charged or signalling contact
closing spring discharged

Locking magnet in the truck to prevent racking-in with auxiliary
circuits disconnected (for withdrawable CB only)

Transmitted contacts in the truck for signalling inserted or
isolated circuit breaker (for withdrawable CB only)

Interlock for fixed circuit breaker which is converted in
withdrawable ones by the customer (to prevent racking-out/in
with the circuit breaker closed and to prevent closing operation
during the translation)
Vmax
Compared to VD4, Vmax cannot be fitted with:

Transient contact with momentary closing during circuit
breaker opening

Motorized truck
© ABB Group
April 13, 2015 | Slide 14