Product Overview

• Part No: SK616001-A, official model MCB-10
• Brand: ABB
• Type: SPST-NO auxiliary contact block, circuit breaker auxiliary switch

• FunctionMounted on ABB miniature circuit breakers; feeds on/off status signals to PLC/DCS systems. Transmits breaker closing/tripping signals for remote monitoring, fault alarm and electrical interlock control.

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Core Features

• Single-pole normally open (SPST-NO) contact structure
• Screw terminal wiring, stable wiring connection, anti-loosening
• Small snap-on design, easy clip installation on matched MCB breakers
• Resists workshop vibration, stable contact conduction after long-term switching

• Compact size, no extra cabinet space occupation

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Technical Specifications

• Rated Current: 6A
• Rated Voltage: 120VAC
• Mounting: Matches dedicated ABB breaker holder
• Working Temperature: -20℃ ~ +60℃
• HS Code: 85369000

• Supply: Brand new original available

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Compatibility

• Fits mainstream ABB miniature circuit breakers
• Matches ABB low-voltage distribution cabinets

• Direct replacement for identical SK616001-A / MCB-10

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Application

• Power distribution cabinet remote breaker status feedback
• DCS/PLC cabinet electrical interlock & tripping alarm
• Factory power panel, automation equipment circuit monitoring maintenance