ABB 1SVR730660R0100 Insulation Monitoring Relay - 61557-8
Part Number: 1SVR730660R0100
Quick Summary
Insulation Monitoring Relay CM-IWS.1S monitors insulation resistance in unearthed IT AC/DC systems for industrial plants. Engineers often face undetected insulation faults that trigger unexpected downtime and safety risks. The device aligns with IEC 61557-8 insulation monitoring standards and supports CE conformity to help ensure compliant, safer operation. Configured to meet project requirements, it delivers multi-functional monitoring that integrates with ABB automation architectures, enhancing reliability and reducing total cost of ownership.
Product Information
Extended Description
1SVR730660R0100 ABB: The CM-IWS.1S serves to monitor insulation resistance in accordance with IEC 61557-8 in unearthed IT AC systems, IT AC systems with galvanically connected DC circuits, or unearthed IT DC systems with a voltage up to 250 V AC and 300 V DC. It can be configured to the
requirements of the applications and therefore used multi-functional.
Country of Origin
Germany (DE)
Lead Time
0 day
Made To Order
No
Warranty Return
Product under warranty must be returned
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
AETAD009EXPU
Country of Origin
Germany (DE)
Lead Time
0 day
Made To Order
No
Warranty Return
Product under warranty must be returned
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
BRABB008EXPU
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
BRAPR001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
0 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
CHNOR001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Country of Origin
Germany (DE)
Lead Time
0 day
Made To Order
No
Warranty Return
Product under warranty must be returned
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
CHSEC006EXPU
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
CLABB001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Note
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
CNIAB001EXPU
Storage Location
4001
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Warranty Return
Product under warranty must be returned
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
COABB001EXPU
Storage Location
4001
Lead Time
160 day
Warranty Return
Product under warranty must be returned
Stocked At Warehouses
CZABB004EXPU
Country of Origin
Germany (DE)
Made To Order
No
Product Sales Status
Active
Quote Only
No
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
0 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
DEAPRMLCEXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
DKSER001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
DUABB001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
DUABB003EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
EESER001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
EGAUT001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
ESATD001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Note
No
Product Availability Class
Standard delivery time
Lead Time
17 day
Country of Origin
Germany (DE)
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
0 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
FISER001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
FRAUT001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
GBINS001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
GRABB001EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
INABBRLCEXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
ITIND002EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
NLABB021EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
0 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
NOATDRLCEXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
SGIND002EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Warranty Return
Product under warranty must be returned
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
TRDMD001EXPU
Storage Location
4001
Country of Origin
Germany (DE)
Criticality
No
Lead Time
17 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
USABB251EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
Lead Time
35 day
Made To Order
No
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
USSVCEXPU
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
Germany (DE)
Criticality
No
Lead Time
0 day
Made To Order
No
Note
No
Product Availability Class
Standard delivery time
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
ZATAD021EXPU
Storage Location
4001
Warranty Return
Product under warranty must be returned
EAN
4016779852609
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
Data sheet - CM-IWS.1x Insulation monitoring relay with screw or push-in terminals
Instructions and Manuals
Instruction Sheet / Manual - CM-IWS.1; CM-IWS.2 Insulation monitoring relays, with screw or push-in terminals
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
Product Net Width
22.5 mm
Product Net Height
85.6 mm
Product Net Depth / Length
103.7 mm
Product Net Weight
0.148 kg
Function
Unearthed AC systems | Unearthed DC systems | Unearthed mixed AC / DC systems | Up to 250 V AC | Up to 300 V DC
Measuring Range
1 ... 100 kΩ
Rated Control Supply Voltage (Us)
24 ... 240 V AC/DC
Rated Frequency (f)
Measuring Circuit 15 ... 400 Hz
Output
1 c/o (SPDT) contact
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 | Supply Circuit / Measuring Circuit 6 kV | Supply Circuit / Output Circuit 6 kV
Rated Insulation Voltage (Ui)
Measuring Circuit / Output Circuit 300 V | Supply Circuit / Measuring Circuit 300 V | Supply Circuit / Output Circuit 300 V
Degree of Protection
Housing IP50 | Terminals IP20
Overvoltage Category
III
Pollution Degree
3
Short-Circuit Protective Devices
Output Circuit NC - F Type Fuses 6 A | Output Circuit NO - F Type Fuses 10 A
System Leakage Capacitance (CE)
10 µF
Electrical Durability
AC-12 100000 cycle
Mechanical Durability
Nr. Operations 30000000 cycle
Connecting Capacity
Flexible with Ferrule 1x 0.5 ... 2.5 mm² | Flexible with Ferrule 2x 0.5 ... 1.5 mm² | Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mm² | Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm² | Flexible 1x 0.5 ... 2.5 mm² | Flexible 2x 0.5 ... 1.5 mm² | Rigid 1x 0.5 ... 4 mm² | Rigid 2x 0.5 ... 2.5 mm²
Tightening Torque
0.6 ... 0.8 N·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
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 in·lb
Pilot Duty UL/CSA
B300
Flammability According to UL94
V-0
Ambient Air Temperature
Operation -25 ... +60 °C | Storage -40 ... +85 °C
Maximum Operating Altitude Permissible
Without Derating 2000 m
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
REACH Declaration
REACh Info for Electronic Relays and Controls
RoHS Information
RoHS Declaration of conformity for Electronic Relays and Controls
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
Toxic Substances Control Act - TSCA
Toxic Substances Control Act (TSCA) declaration for Electronic Relays and Controls
CB Certificate
CB_DK-30302-A1-UL
CCC Certificate
CCC Certificate - Insulation monitoring relays CM-IWS.x, CM-IWN.x, and coupling unit CM-IVN, old and new housing
CQC Certificate
CQC Certificate, Insulation Monitoring Relays, CM-IWS.xx, CM-IWN.xx, CM-IVN.x, Made in Germany
cULus Certificate
cULus508_20120727-E140448
Declaration of Conformity - CCC
CCC Declaration of Conformity, Insulation Monitoring Relays, CM-IWS.xx, CM-IWN.xx, CM-IVN.x, Made in Germany
Declaration of Conformity - CE
EU Declaration of Conformity - CM-IWS.xx, CM-IWN.xx, CM-IVN.x Insulation monitoring relay
Declaration of Conformity - UKCA
UK Declaration of Conformity - CM-IWS.xx, CM-IWN.xx, CM-IVN.x Insulation monitoring relay
DNV GL Certificate
DNV GL Certificate - CM-IWS.1, CM-IWS.2, CM-IWN.1, CM-IVN insulation monitoring relays
Package Level 1 Units
box 1 piece
Package Level 1 Width
97 mm
Package Level 1 Depth / Length
30 mm
Package Level 1 Height
109 mm
Package Level 1 Gross Weight
0.173 kg
Package Level 1 EAN
4016779852609
Object Classification Code
B
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)
2712260
E-Number (Norway)
4187801
E-Number (Sweden)
3860655
Insulation resistance monitoring in the 1-100 kΩ range with a 1c/o contact enables early fault detection. This directly reduces downtime and improves worker safety by signaling insulation degradation before faults occur. Applications include unearthed IT AC systems and IT DC circuits in manufacturing and process environments. Voltage compatibility spans 24-240 VAC/DC, providing flexibility across panel architectures and enabling the same device for PLCs, drives, or sensors. Business impact includes simplified installation, reduced spare-part variety, and faster procurement cycles. IEC 61557-8 compliance ensures alignment with an industry-standard framework for insulation monitoring, supporting regulatory readiness and safer operation in safety-critical IT networks. This also helps with audit trails and compliance reporting in plant environments. The CM-IWS.1S is configurable, allowing tailored trip thresholds and alarm options to suit specific system topologies. This minimizes nuisance trips while preserving protection for critical IT assets and galvanically connected subsystems. German engineering heritage and ABB reliability translate to robust performance, longer mean time between failures, and lower lifecycle costs for industrial facilities seeking steady uptime.
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FAQs
CM-IWS.1S is designed for 24-240 VAC/DC supply and provides a 1c/o contact with a 1-100 kΩ insulation monitoring range. It can be integrated into unearthed IT AC systems and IT DC circuits, with configuration options to suit panel architectures and existing ABB automation ecosystems.
The device monitors insulation resistance from 1 to 100 kΩ and provides a changeover contact (1c/o) for fault signaling. It operates in systems with 24-240 VAC/DC and adheres to IEC 61557-8 to ensure accurate, standards-aligned detection.
Yes. CM-IWS.1S is intended for unearthed IT AC systems or IT DC circuits in industrial facilities and data centers, where early fault detection and reliable insulation monitoring are critical for uptime and safety.
CM-IWS.1S aligns with IEC 61557-8 insulation monitoring standards. ABB designs typically support CE-related safety and EMC requirements for EU markets, aiding regulatory readiness in safety-critical IT networks.
By enabling early fault detection and reducing unplanned downtime, CM-IWS.1S lowers repair costs and improves plant availability. Its configurable thresholds minimize nuisance trips, enhancing operator efficiency and protecting critical IT infrastructure over the equipment lifecycle.