Description
The ABB RT1W Thermal Overload Relay (113716) is a thermal motor protection device designed for use with compatible ABB CL Series IEC contactors and motor starters. Featuring an adjustable current range of 30 to 40 A and a Class 10A trip characteristic, it helps protect motors against sustained overload conditions by triggering the connected contactor to interrupt the motor circuit.
Designed for industrial motor control applications, the RT1W uses thermal overload protection to respond to excessive current over time. Its three-pole design and integrated auxiliary contacts support motor starter control circuits, providing a normally open (NO) and normally closed (NC) contact for compatible signaling and control functions.
The RT1W is suitable for integration into compatible CL Series contactors, including specified CL00, CL01, CL02, CL03, CL04, CL25, and CL45 models. With screw-terminal connections and support for control circuits rated up to 690 V AC as listed, it provides a practical solution for motor protection in industrial machinery, electrical control panels, and automation systems.
Key Features
- Adjustable Current Range: Supports motor overload protection settings from 30 to 40 A.
- Class 10A Trip Characteristic: Provides a Class 10A overload response for compatible motor protection applications.
- Thermal Overload Protection: Helps protect motors against sustained excessive current.
- CL Series Compatibility: Designed for use with specified ABB CL Series IEC contactors and motor starters.
- Auxiliary Contacts: Includes 1 normally open (NO) and 1 normally closed (NC) contact for compatible control and signaling circuits.
- Three-Pole Design: Provides thermal overload protection for compatible three-phase motor starter assemblies.
- Screw-Terminal Connections: Provides secure electrical connections for installation and wiring.
- Control Circuit Rating: Listed for control circuit applications up to 690 V AC, subject to the applicable contact ratings.
- Industrial Applications: Suitable for compatible motor control panels, machinery, and industrial automation equipment.
Specifications
| Technical Specification | Detail |
|---|---|
| Product Model | RT1W |
| Alternate Manufacturer Part Number | 113716 |
| Brand / Manufacturer | ABB Industrial Connections & Solutions |
| Product Type | Thermal Overload Relay |
| Product Series | RT Series |
| Compatible Contactor Series | CL Series |
| Adjustable Current Range | 30–40 A |
| Trip Class | Class 10A |
| Number of Poles | 3 |
| Auxiliary Contact Configuration | 1 NO + 1 NC |
| Control Circuit Voltage | Up to 690 V AC, subject to applicable contact ratings |
| Frequency Range | 0–400 Hz, as listed for the RT relay series |
| Mounting Type | Contactor Mounting |
| Terminal Type | Screw Terminals |
| Operating Temperature | -25°C to +60°C |
| Compatible Contactors | Specified ABB CL00, CL01, CL02, CL03, CL04, CL25, and CL45 models |
| Dimensions (W × D × H) | 34.3 × 92.5 × 64 mm (1.35 × 3.64 × 2.52 in) |
| Mounting Compatibility | Compatible ABB CL Series Contactor Assemblies |
| Applicable Standards | IEC/EN 60947-4-1, IEC/EN 60947-5-1, UL 508 |
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