ESH/ESM Series
Surge Protective Devices
The ESH/ESM Series of surge protective devices from Emerson Network Power is
designed to perform optimally with all surge devices and fuse components. Engineered
for enhanced safety standards, this series utilizes advanced SAD/MOV array technology.
The ESH Series delivers up to 160 kA per mode and 160 kA per phase, while the ESM
Series provides up to 400 kA per mode and 400 kA per phase.
n Utilizes advanced SAD/MOV array technology
n Provides industry leading transient voltage surge suppression
n Approved by Motorola R56 Committee, Standards and Guidelines for
Communication Sites - Type 1 and 2 Devices
Technical Specifications
Enclosure Rating
Weight
Modes of Protection
50Ω EMI/RFI Attenuation Normal Mode
Indication of Suppression Status
Response Time
Operating Temperature
Operating Humidity
Certifications
Warranty
ESH080120Y
ESH080120S
120/208 VAC, three phase,
120/240 VAC, single phase,
4 wire (no GND)
3 wire (no GND)
120 VAC +/- 25%
47 - 63 Hz
65 kAIC
A, B, & C
UL 1449 Type 1
20 kA
#6 - 4 AWG recommended, #14-1/O capable
Continuous (parallel connection)
389 mm x 338 mm x 168 mm
(15.3" x 13.3" x 6.6")
NEMA 4X
15.9 kg (35 lbs.)
L-N, L-L
63 dB maximum
Green/red LEDs, dual form C contacts
<.5 ns
- 40 °C to 60 °C
0% to 95% non-condensing
UL 1449 third edition (2009), CUL & UL 1283 - type 2 units
Warranty by contract
Maximum Continuous Operating Voltage (MCOV)
Line-Neutral / Line-Ground / Line-Line / Neutral-Ground
150 VAC / NA / 300 VAC / NA
Maximum Surge Current Capacity (8 x 20µs)
Line to Neutral
Line to Ground
Line to Line
Neutral to Ground
20 kA (SAD), 160 kA (MOV)
N/A
N/A
N/A
Nominal Operating Voltage /
Phase Configuration
Operating Voltage Range
Operating Frequency Range
Fault Current Rating
ANSI/IEEE C62.41 Category
SPD Location Type
Nominal Discharge Current (IN)
Connection Type
Capacity
Dimensions
Unit Type and Joule Rating
Motorola R56 Approved Device Type
Joule Rating
ESM200120Y
120/208 VAC, three phase
wye, 4 wire (no GND)
ESM200120S
120/240 VAC, single phase,
3 wire (no GND)
458 mm x 407 mm x 219 mm 389 mm x 338 mm x 168 mm
(18" x 16" x 8.6")
(15.3" x 13.3" x 6.6")
20 kA (SAD), 160 kA (MOV)
400,000 Amps (400 kA)
R56 type 1 unit
500 joules SAD, 5000 joules MOV
400,000 Amps (400 kA)
R56 type 2 unit
5000 joules MOV
UL 1449 Third Edition Voltage Protection Rating (VPR's)
Line to Neutral
700 Vpk
Line to Ground
N/A
Line to Line
1000 Vpk
Neutral to Ground
N/A
EmersonNetworkPower.com/EnergySystems (North America)
EmersonNetworkPower.eu/EnergySystems (EMEA)
© Emerson Network Power, Energy Systems, North America, Inc. 2014.
Business-Critical Continuity™, Emerson Network Power™, the Emerson Network Power logo, Emerson™ and Consider it Solved are service marks and trademarks of
Emerson Electric Co. EnergyMaster ™, eSure™, NetPerform™, NetReach™, NetSpan™, NetSure™ and NetXtend™ are trademarks of Emerson Network Power, Energy
Systems, North America, Inc. Any other product, brand, or company names or logos are the property of the respective owner.
While every precaution has been taken to ensure accuracy and completeness herein, Emerson Electric Co. assumes no responsibility, and disclaims all liability,
for damages resulting from use of this information or for any errors or omissions. Specifications subject to change without notice.
129300D-ESHESM / 0214