CM-ESS.MS

Name: CM-ESS.MS
Brand: ABB
SKU: CM-ESS.MS

The ABB CM-ESS.MS is a multifunctional voltage monitoring relay designed for reliable AC/DC voltage monitoring. It offers adjustable hysteresis, tripping delay, and configurable over/undervoltage monitoring, making it ideal for single-phase systems.

Product ModelCM-ESS.MS

Material Number1SVR730830R0500

Product ID85352

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Reliable Voltage MonitoringThe ABB CM-ESS.MS provides precise monitoring of AC/DC voltages, ensuring reliable operation in single-phase systems.
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2. Adjustable HysteresisWith adjustable hysteresis (3-30%), the CM-ESS.MS allows for precise threshold settings, reducing false triggers and enhancing reliability.
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3. Configurable MonitoringThe relay offers configurable over- or undervoltage monitoring, open- or closed-circuit operating principles, and a latching function, catering to various application needs.
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4. Tripping DelayThe tripping delay is adjustable from instantaneous to 30 seconds, providing flexibility in setting response times to suit specific application requirements.
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Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

22.5 mm

Product Net Height

85.6 mm

Product Net Depth / Length

103.7 mm

Product Net Weight

0.154 kg

Function

Over- or undervoltage monitoring

Measuring Range

3 ... 30 V 6 ... 60 V 30 ... 300 V 60 ... 600 V

5. Durable DesignBuilt with a housing material of UL 94 V-0, the CM-ESS.MS ensures high fire protection classification and durability in harsh environments. It also features screw connection technology or Easy Connect Technology for easy installation and maintenance.

Time Range

0 s or 0.1 ... 30 s tripping delay (ON)

Rated Control Supply Voltage (Us)

24 ... 240 V AC/DC

Output

2 c/o (SPDT) contact; operating principle selectable

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 4 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 4 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Minimum Switching Capacity

24 V 10 mA

Rated Impulse Withstand Voltage (Uimp)

Measuring Circuit / Output Circuit 6 kV Output Circuit 1 / Output Circuit 2 4 kV Supply Circuit / Measuring Circuit 6 kV Supply Circuit / Output Circuit 4 kV

Rated Insulation Voltage (Ui)

Measuring Circuit / Output Circuit 600 V Output Circuit 1 / Output Circuit 2 250 V Supply Circuit / Measuring Circuit 600 V Supply Circuit / Output Circuit 250 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

Short-Circuit Protective Devices

Output Circuit NC - F Type Fuses 10 A Output Circuit NO - F Type Fuses 10 A

Electrical Durability

AC-12 100000 cycle

Mechanical Durability

30000000 cycle

Connecting Capacity

Flexible with Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mmÂ² Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mmÂ² Flexible 1x 0.5 ... 2.5 mmÂ² Flexible 2x 0.5 ... 1.5 mmÂ² Rigid 1x 0.5 ... 4 mmÂ² Rigid 2x 0.5 ... 2.5 mmÂ²

Tightening Torque

0.6 ... 0.8 NÂ·m

Wire Stripping Length

8 mm

Recommended Screw Driver

0.8 x 4 4.5 Pozidriv 1

Mounting Position

1 ... 6

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Standards

CAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 60255-27 IEC/EN 61000-6-2 IEC/EN 61000-6-3 UL 508

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

B300

Connecting Capacity UL/CSA

Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG

Tightening Torque UL/CSA

7.08 inÂ·lb

Pilot Duty UL/CSA

B300

Flammability According to UL94

V-0

Ambient Air Temperature

Operation -20 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001438 - Voltage monitoring relay

ETIM 8

EC001438 - Voltage monitoring relay

ETIM 9

EC001438 - Voltage monitoring relay

eClass

V11.0 : 27371801

UNSPSC

39122332

E-Number (Finland)

2712254

E-Number (Norway)

4188090

E-Number (Sweden)

3860620

Manufacturer ID

1SVR730830R0500