The ABB SPER1C1-AAJ is a trip circuit supervision relay that monitors critical control circuits in power systems, such as circuit-breaker and disconnector control circuits. It detects faults early, enhancing reliability and operational safety in industrial and substation environments.

Technical Specifications

• Model Number: SPER1C1-AAJ

• Type: Trip Circuit Supervision Relay

• Operating Voltage: 40-265 V DC

• Monitoring Range: Continuous supervision of trip circuits

• Response Time: Detects faults within milliseconds

• Relay Contacts: 1 NO (Normally Open) + 1 NC (Normally Closed)

• Operating Temperature: -25°C to +55°C (-13°F to +131°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Mounting Type: DIN rail or panel mount

• Housing Material: Industrial-grade, flame-resistant plastic

• Dimensions: 22.5 x 75 x 110 mm

• Weight: 0.5 kg