ABB RCQ020/A panel-mounted residual current relay with 415 V AC auxiliary supply for use with ABB SACE Tmax XT1 to XT7 M circuit breakers, providing reliable earth leakage protection.
£569.11
The ABB RCQ020/A (1SDA065980R1) is a high-performance panel-mounted residual current relay designed for use with ABB SACE Tmax XT moulded case circuit breakers. Engineered to provide reliable earth fault protection, this relay continuously monitors residual current and helps improve electrical safety by detecting insulation faults and leakage currents before they become hazardous.
Designed specifically for industrial and commercial power distribution systems, the RCQ020/A integrates seamlessly with ABB Tmax XT circuit breakers, providing dependable residual current protection for switchboards, control panels and electrical installations. Its compact panel-mounted design enables convenient installation while maintaining reliable long-term operation.
The RCQ020/A 415 V AC version is suitable for installations requiring a dedicated 415 V AC auxiliary supply. When combined with the appropriate toroidal current transformer and compatible trip accessories, it forms a complete residual current protection solution for ABB Tmax XT circuit breakers.
Residual current relays continuously monitor leakage current flowing to earth and provide an effective method of detecting insulation faults before they develop into more serious electrical hazards. When used with compatible ABB accessories, the RCQ020/A helps improve electrical safety while reducing the risk of equipment damage and unexpected downtime.
The ABB RCQ020/A has been developed for integration with the ABB SACE Tmax XT circuit breaker platform, providing dependable residual current protection for modern low voltage distribution systems used throughout industrial and commercial installations.
| Voltage | 415 V |
|---|---|
| Manufacturer | ABB |
| Series | SACE Tmax XT Accessories |
| Model | RCQ020/A |
| Manufacturer Part Number | 1SDA065980R1 |
| Product type | Panel-mounted residual current relay |
| Auxiliary supply voltage | 415 V AC |
| Compatible circuit breakers | ABB SACE Tmax XT1 to XT7 M |
| Installation | Panel mounting |
| Protection function | Residual current / earth leakage monitoring |
| Compatible accessories | ABB RC toroidal current transformers and trip accessories |
| Application | Industrial and commercial power distribution |
| Country of manufacture | ABB production facilities |
| Weight | approx. 0.4 kg |
The RCQ020/A is a panel-mounted residual current relay designed to provide earth leakage protection for compatible ABB SACE Tmax XT circuit breakers.
This version operates from a 415 V AC auxiliary supply.
The relay is designed for use with ABB SACE Tmax XT1 to XT7 M moulded case circuit breakers when installed with compatible ABB accessories.
No. Compatible ABB toroidal current transformers are supplied separately to suit the installation requirements.
It is typically installed within electrical switchboards and control panels in industrial and commercial low voltage power distribution systems.
ABB SACE Tmax XT accessories are trusted by electrical engineers, panel builders and industrial maintenance professionals for delivering dependable protection, reliable operation and seamless integration into modern low voltage distribution systems.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...