ABB 1SVR730840R0700 CM-SRS current monitoring relay - CE UL
Part Number: 1SVR730840R0700
Quick Summary
CM-SRS.M2S current monitoring relay provides precise over- and undercurrent monitoring for single-phase motor control and panel efficiency. This compact device helps prevent nuisance trips and misconfigured thresholds that disrupt startups and drive maintenance costs. The unit is certified to CE and UL/CSA standards, with additional CB documentation to support global compliance in multi-site projects. Its DIN-rail mounting and screw-terminal connections enable fast, reliable installations in crowded control cabinets, while the 24–240 V AC/DC supply accommodates diverse plant architectures. For engineers seeking predictable protection with flexible timing, hysteresis, and selectable open- or closed-circuit operation, the CM-SRS.M2S delivers measurable value in uptime and safety.
Product Information
Extended Description
1SVR730840R0700 ABB: The CM-SRS.M2S is a multifunctional current monitoring relay from the CM single-phase monitors range. This monitoring relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It provides a RMS measuring principle for DC and AC currents with 3 measuring ranges: 0.3-1.5 A, 1-5 A and 3-15 A. The CM-SRS.M2S offers selection of over- or undercurrent monitoring, open- or closed-circuit operating principle, with or without latching function. The hysteresis is adjustable within a range of 3 to 30 % of the threshold value. The tripping delay and the start-up delay are adjustable over a range of instantaneous to 30 s (0, 0.1-30 s). A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.
EAN
4016779852272
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
Data sheet - CM-SRS.M2S Multifunctional current monitoring relays, single-phase AC/DC
Instructions and Manuals
Instruction Sheet / Manual - CM-SxS Single-phase current monitoring relays | Installation instructions - CM-SxS Single-phase current monitoring relays
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
0.155 kg
Function
Over- or undercurrent monitoring
Measuring Range
0.3 ... 1.5 A | 1 ... 5 A | 3 ... 15 A
Time Range
0 s or 0.1 ... 30 s start-up delay | 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) contacts; 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
3
Short-Circuit Protective Devices
Output Circuit NO - F Type Fuses 10 A
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 | 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 in·lb
Pilot Duty UL/CSA
B300
Flammability According to UL94
V-0
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-28255-UL
CQC Certificate
CQC Certificate, Relays, CM-SRS.., CM-SFS.., CM-ESS..,CM-EFS.., CM-TCS.., Made in Germany
cULus Certificate
cULus508_20120203-E140448
Declaration of Conformity - CCC
CCC Certificate, Relays, CM-SRS.., CM-SFS.., CM-ESS..,CM-EFS.., CM-TCS.., Made in Germany
Declaration of Conformity - CE
EU Declaration of Conformity - CM-ExS.xxx, CM-SxS.xxx Single-phase current and voltage monitoring relays
Declaration of Conformity - UKCA
UK Declaration of Conformity - CM-ExS.xxx, CM-SxS.xxx Single-phase current and voltage monitoring relays
DNV GL Certificate
DNV Certificate - Current monitoring relays CM-SFS.x and CM-SRS.x with screw or push-in terminals
EAC Certificate
EAC Certificate - Measuring and monitoring relays CM-xxS.xxx and CM-xxN.xxx range in the new housing
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
0.177 kg
Package Level 1 EAN
4016779852272
Object Classification Code
B
ETIM 7
EC001440 - Current monitoring relay
ETIM 8
EC001440 - Current monitoring relay
ETIM 9
EC001440 - Current monitoring relay
eClass
V11.0 : 27371802
UNSPSC
39122332
E-Number (Finland)
2712320
E-Number (Norway)
4188072
E-Number (Sweden)
3860630
Control supply versatility: 24-240 V AC/DC → broad compatibility with plant power architectures, simplifying procurement and panel wiring. This wide input range reduces the need for multiple supply modules and minimizes voltage mismatch risks during installation, delivering faster commissioning in new builds and retrofits. Application: control cabinets and machine panels where a single relay can cover diverse voltage sources without adapters. Measuring range flexibility: 0.3-1.5 A | 1-5 A | 3-15 A → precise current thresholds that match motor and load profiles. The trip and start-up delays (0 s to 0.1–30 s) and adjustable hysteresis (3–30%) let you tune protection to machine dynamics, reducing nuisance trips while maintaining safety. Application: single-phase circuits in conveyors, pumps, and fans where steady protection is essential. Output versatility: 2 c/o SPDT contacts; operating principle selectable → supports flexible logic for alarms, interlocks, and remote trips. This lets you reuse the same device across different control schemes, cut wiring complexity, and improve fault signaling. Application: integration with PLCs and safety circuits in automation cells and OEM equipment. Installation and durability: screw terminals with torque 0.6–0.8 N·m and DIN rail mounting TH35-15 or TH35-7.5, enabling compact, vibration-tolerant installations. The device offers IP50 housing protection and robust electrical durability (AC-12 up to 100,000 cycles), ensuring long service life in manufacturing environments. Application: control panels in harsh industrial settings. Compliance and support: broad standard coverage including CE, UL/CSA, CB, CQC, CCC, UKCA, and RoHS declarations; this breadth simplifies audits and global deployments. The CM-SRS.M2S also provides data sheets, installation instructions, and CAD drawings to speed engineering and procurement. Application: OEMs and panel builders seeking proven reliability with clear certification traces.
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FAQs
Install the CM-SRS.M2S on a standard DIN rail (TH35-15 or TH35-7.5) in the control cabinet. Use the screw terminals for wiring and tighten to 0.6–0.8 N·m. Ensure the unit is oriented for accessible termination and confirm the supply is within 24–240 V AC/DC. This approach minimizes field wiring errors and speeds commissioning.
The CM-SRS.M2S measures across three ranges: 0.3–1.5 A, 1–5 A, and 3–15 A using RMS current input. Select the appropriate range during configuration to match the connected load. This ensures accurate protection without nuisance trips and supports motor, heater, and single-phase loads with different current profiles.
Yes. The device supports a control supply voltage of 24–240 V AC/DC, making it compatible with 24 V DC control circuits. This flexibility reduces inventory needs and simplifies integration into existing 24 V automation architectures, while preserving accurate over- and undercurrent protection for single-phase circuits.
The CM-SRS.M2S carries CE and UL/CSA certifications, with CB, CQC, CCC, and UKCA documentation. These certifications support regulatory compliance across global markets and streamline audits for panel builders and OEMs working under safety and electrical standards in diverse regions.
By reducing nuisance trips through programmable hysteresis and delays, the CM-SRS.M2S minimizes unplanned downtime and extends machine uptime. Its robust DIN-rail installation, screw terminals, and durable contacts lower maintenance costs, while broad certification coverage simplifies compliance processes, offering a favorable return on investment for manufacturing and automation projects.