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ABB 1SVR730712R1300 Thermostor Motor Protection Relay
The ABB CM-MSS.51S thermistor motor protection relay provides comprehensive protection for electric motors. It utilizes two sensor circuits to monitor PTC temperature sensors, offering configurable evaluation options (single or accumulative). The relay operates with a wide voltage range (24-240V AC/DC) and features a 2 c/o (SPDT) output with contacts rated for 250V / 4A. It includes short-circuit detection, non-volatile fault storage, and supports auto, manual, or remote reset functionality. Certified according to ATEX directive 94/9/EC, the CM-MSS.51S is suitable for use in demanding industrial environments where reliable motor protection is critical. It also offers screw connection technology with double-chamber cage connection terminals.
ABB 1SVR730712R1300 Thermostor Motor Protection Relay Specifications:
- Extended Product Type: CM-MSS.51S
- Product ID: 1SVR730712R1300
- EAN: 4013614496660
- Minimum Order Quantity: 1 piece
- Customs Tariff Number: 85364900
- Product Net Width: 22.5 mm
- Product Net Height: 85.6 mm
- Product Net Depth / Length: 103.7 mm
- Product Net Weight: 0.145 kg
- Function: 2 sensor circuits
- Short-circuit detection: Configurable
- Non-volatile fault storage: Configurable
- Evaluation: Single or accumulative, configurable
- Detection: Dynamic interrupted wire detection
- Reset: Auto, manual or remote
- Approval: ATEX approved
- Rated Control Supply Voltage (Us): 24 ... 240 V AC/DC
- Output: 2 x 1 c/o or 1 x 2 c/o contacts, configurable
- 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 Insulation Voltage (Ui): Measuring Circuit / Output Circuit 300 V
- Rated Impulse Withstand Voltage (Uimp): Output Circuit 1 / Output Circuit 2 4 kV
- 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
- Electrical Durability: AC-12 100000 cycle
- Mechanical Durability: 30000000 cycle
- Connecting Capacity: 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
- Mounting Position: Any
- Mounting on DIN Rail: TH35-15 (35 x 15 mm), TH35-7.5 (35 x 7.5 mm)
- Standards: CAN/CSA C22.2 No.14, EN 50495, EN 50581, IEC/EN 60079-7, IEC/EN 60947-5-1, IEC/EN 60947-8, UL 508
- Ambient Air Temperature (Operation): -25 ... +60 °C
- Ambient Air Temperature (Storage): -40 ... +85 °C
- 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
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Frequently Asked Questions
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ABB