CM-IVN.S

Name: CM-IVN.S
Brand: ABB
SKU: CM-IVN.S

Short Description: The ABB CM-IVN.S coupling unit expands the voltage range of the CM-IWN.1 insulation monitoring relay, supporting up to 690V AC and 1000V DC. Designed for DIN rail mounting, it ensures reliable insulation resistance monitoring in various electrical systems.

Product ModelCM-IVN.S

Material Number1SVR750669R9400

Product ID87297

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

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1. Voltage Expansion CapabilityDescription: The CM-IVN.S extends the measuring range of the CM-IWN.1 insulation monitoring relay, allowing it to monitor insulation resistance up to 690V AC and 1000V DC. This ensures comprehensive coverage for a wide range of electrical systems.
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2. DIN Rail MountingDescription: The coupling unit is designed for easy tool-free mounting on DIN rail, making it convenient for installation and integration into existing electrical setups.
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3. Robust DesignDescription: Constructed with high-quality materials, the CM-IVN.S features a housing material with the highest fire protection classification (UL 94 V-0), ensuring reliability and safety in harsh environments.
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4. Flexibility in Terminal OptionsDescription: The CM-IVN.S offers two different terminal versions: Screw Connection Technology and Easy Connect Technology. This flexibility allows users to choose the most suitable option based on their specific requirements.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

45 mm

Product Net Height

85.6 mm

Product Net Depth / Length

104.8 mm

Product Net Weight

0.179 kg

Function

Accessory - Coupling unit for voltage expansion of CM-IWN.1 Up to 690 V AC Up to 1000 V DC

Rated Frequency (f)

Measuring Circuit 15 ... 400 Hz

5. Compliance with International StandardsDescription: The CM-IVN.S complies with international standards such as IEC 61557-8, ensuring that it meets the necessary criteria for insulation monitoring in unearthed IT AC systems. Additionally, it follows the EU Directive 2011/65/EU for RoHS compliance, making it a reliable choice for global applications.

Terminal Type

Screw Terminals

Rated Impulse Withstand Voltage (Uimp)

Input Circuit / PE 8 kV

Rated Insulation Voltage (Ui)

Input Circuit / PE 1000 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

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

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 61326-2-4 IEC/EN 61557-1 IEC/EN 61557-8 UL 508

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

Ambient Air Temperature

Operation -25 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001444 - Insulation and earth fault monitoring relay

ETIM 8

EC001444 - Insulation and earth fault monitoring relay

ETIM 9

EC001444 - Insulation and earth fault monitoring relay

eClass

V11.0 : 27371807

UNSPSC

39122331

E-Number (Finland)

2712258

E-Number (Norway)

4187803

E-Number (Sweden)

3860658

Manufacturer ID

1SVR750669R9400