ABB 1SVR550801R9300 CM-MSE Thermistor motor protection relay - UL 508 Listed
Part Number: 1SVR550801R9300
Quick Summary
CM-MSE thermistor motor protection relay protects motors by monitoring PTC sensors for overload protection in industrial drives. Operators often struggle with nuisance trips and slow resets that increase downtime and reduce productivity. It carries UL 508 listings and CE/UKCA declarations, along with RoHS and REACH compliance, delivering safety and regulatory confidence across global facilities. The unit is designed for easy DIN-rail mounting and screw-terminal wiring, simplifying panel integration and speeding commissioning in motor-protection schemes. This combination of precise protection and robust certifications supports reliable motor uptime and lowers lifecycle costs in conveyors, pumps, and fans.
Product Information
Extended Description
1SVR550801R9300 ABB: The CM-MSE relay is from the CM thermistor motor protection relay range. This relay operates with a rated control supply voltage of 220-240 V AC and has a 1 n/o output contact rated at 250 V / 4 A. It features one sensor circuit for monitoring of PTC temperature sensors or bimetals. This relay offers automatic reset and works according to the closed-circuit principle. A sealable transparent cover for protection against unauthorized changes is available as accessory
EAN
4013614348785
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
Catalog 2024 Electronic Relays and Controls - Chapter Measuring and Monitoring Relays
Instructions and Manuals
Installation instructions - CM-xxE range
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
Product Net Width
22.5 mm
Product Net Height
78 mm
Product Net Depth / Length
78.5 mm
Product Net Weight
0.104 kg
Function
1 sensor circuit | Auto reset
Sub-Function
none
Sub-Function 2
Auto reset
Time Range
none
Rated Control Supply Voltage (Us)
220 ... 240 V AC
Rated Frequency (f)
Supply Circuit 50/60 Hz
Output
1 n/o 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
Rated Impulse Withstand Voltage (Uimp)
Output Circuit 4 kV
Rated Insulation Voltage (Ui)
Measuring Circuit / Output Circuit 250 V | Supply Circuit / Output Circuit 250 V
Degree of Protection
Housing IP50 | Terminals IP20
Short-Circuit Protective Devices
Output Circuit NC - F Type Fuses 10 A | Output Circuit NO - F Type Fuses 10 A
Connecting Capacity
Flexible with Ferrule 2x 1.5 mm² | Flexible 2x 1 ... 1.5 mm² | Rigid 2x 0.75 ... 1.5 mm²
Tightening Torque
0.6 ... 0.8 N·m
Wire Stripping Length
10 mm
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 61000-6-2 | IEC/EN 61000-6-3 | UL 508
Maximum Operating Voltage UL/CSA
Output Circuit 250 V AC
Connecting Capacity UL/CSA
Flexible with Ferrule 2x 16 AWG | Flexible 2x 18-16 AWG | Rigid 2x 18-16 AWG
Tightening Torque UL/CSA
7.08 in·lb
Ambient Air Temperature
Operation -20 ... +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-8880
CCC Certificate
CCC Certificate - Measuring and Monitoring Relays CM-E range
CQC Certificate
CQC Certificate, Electronic Measuring and Monitoring Relays, CM-PFE, CM-PVE, CM-PBE, CM-MSE, CM-ENE MAX, CM-ENE MIN, Made in Bulgaria
cUL Certificate
cUL508_E140448
Declaration of Conformity - CCC
CCC Declaration of Conformity, Electronic Measuring and Monitoring Relays, CM-PFE, CM-PVE, CM-PBE, CM-MSE, CM-ENE MAX, CM-ENE MIN, Made in Bulgaria
Declaration of Conformity - CE
EU Declaration of conformity - CM-MSE Thermistor motor protection relay
Declaration of Conformity - UKCA
UK Declaration of conformity - CM-MSE Thermistor motor protection relay
UL Certificate
UL Certificate (UL 508) - CT-E, CT-S range time relays, CM and C51x range measuring and monitoring relays , C57x and C67xx range safety relays, CC-U range analog signal converters with relay output
Package Level 1 Units
box 1 piece
Package Level 1 Width
23 mm
Package Level 1 Depth / Length
82 mm
Package Level 1 Height
82 mm
Package Level 1 Gross Weight
0.115 kg
Package Level 1 EAN
4013614348785
Object Classification Code
B
ETIM 7
EC002568 - Relay for thermistor protection (PTC)
ETIM 8
EC002568 - Relay for thermistor protection (PTC)
ETIM 9
EC002568 - Relay for thermistor protection (PTC)
eClass
V11.0 : 27371503
UNSPSC
39122331
E-Number (Finland)
2712844
E-Number (Norway)
4185878
E-Number (Sweden)
3860213
Feature: The CM-MSE provides one sensor circuit for monitoring PTC thermistors or bimetals, with automatic reset and closed-circuit operation. Business Impact: Delivers precise overload detection while minimizing manual intervention, reducing unplanned downtime and operator errors. Application: Ideal for protecting induction motors in conveyors, pumps, and fans across packaging, water treatment, and process industries, where uninterrupted operation matters. Feature: A single 1 n/o output contact rated at 230 V AC (4 A) with 4 kV impulse withstand and 250 V insulation between circuits. Business Impact: Enables safe, reliable control interlocks and fault signaling without overloading the control circuit, improving protection coordination and extending contact life. Application: Suitable for motor-control circuits, starter panels, and alarms in automation lines. Feature: Auto reset and sealable cover accessory option. Business Impact: Reduces maintenance calls by allowing automatic recovery after a fault, while the tamper-resistant cover protects against unauthorized changes. Application: OEM controls and critical process lines where security and fast recovery matter, such as food processing or pharmaceuticals. Feature: DIN rail mounting (TH35-15 or TH35-7.5) with screw terminals and compact footprint (22.5 mm wide, 78 mm high). Business Impact: Streamlines installation, minimizes panel space, and simplifies upgrades or retrofits. Application: New control panels or revamps in machine building where space efficiency and standardized mounting save time. Feature: Broad compliance and datasheet resources (UL 508, CE/UKCA declarations, RoHS/REACH, CAD drawings). Business Impact: Ensures regulatory readiness, easy documentation, and faster engineering handoffs. Application: System integrators and OEMs accelerating design validation and component approvals across global facilities.
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FAQs
The CM-MSE is designed for DIN rail mounting on TH35-15 or TH35-7.5 rails and features screw terminals for straightforward wiring. Its compact 22.5 mm width fits narrow control panels, and the 78 x 78.5 mm footprint accommodates multiple relays in shared DIN enclosures, simplifying retrofits and new builds.
It uses a 220-240 V AC control supply, supports a single 1 n/o output contact rated at 4 A, and provides 4 kV impulse withstand between circuits with 250 V insulation. The device supports AC-12 (4 A at 230 V) and AC-15 (3 A at 230 V), plus DC-12 (4 A at 24 V) and DC-13 (2 A at 24 V) as applicable outputs.
Yes. It is specifically designed for thermistor motor protection, monitoring PTC sensors or bimetals with auto reset, making it ideal for preventing overheating in motors used in conveyors, pumps, and fans within manufacturing and process environments.
The relay is CE and UKCA certified, UL 508 listed, and supports RoHS/REACH compliance. It aligns with CAN/CSA, IEC/EN standards, and is documented with DoC declarations, making it suitable for global deployments and OEM approvals.
Automatic reset reduces operator interventions after faults, while accurate PTC monitoring minimizes nuisance trips. The combination of tamper-resistant features, DIN-rail compatibility, and wide regulatory support accelerates installation, lowers downtime, and improves lifecycle cost in continuous-production lines.