RCQ020/A RELAY 415Vac NO TOR

Why Choose the ABB RCQ020/A Residual Current Relay?

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.

Key Advantages

• Designed for ABB SACE Tmax XT circuit breakers.
• Provides reliable residual current (earth leakage) protection.
• 415 V AC auxiliary supply version.
• Compact panel-mounted design for switchboards and control panels.
• Improves personnel and equipment protection against earth faults.
• Easy integration with ABB residual current protection systems.

Key Features

• ABB RCQ020/A residual current relay.
• Manufacturer Part Number: 1SDA065980R1.
• 415 V AC auxiliary supply.
• Compatible with ABB SACE Tmax XT1 to XT7 M circuit breakers.
• Panel-mounted installation.
• Works with compatible ABB toroidal current transformers.
• Designed for industrial and commercial protection systems.
• Reliable long-term ABB performance.

Technical Specifications

• 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

Reliable Residual Current Protection

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.

Typical Applications

• Industrial switchboards.
• Commercial power distribution systems.
• Motor control centres.
• Electrical control panels.
• Manufacturing facilities.
• Infrastructure and utility installations.

Trusted by Electrical Professionals Worldwide

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.