Allen-Bradley (Rockwell Automation)
The Allen-Bradley 100-MCA02 (Bulletin 100, Series B) is a Swiss-made mechanical and electrical interlock module designed by Rockwell Automation to protect motor reversing starters and changeover contactor assemblies. This safety module prevents the simultaneous closure or energization of opposing contactors by combining a mechanical barrier with an electrical cross-interlock featuring 2 Normally Closed (NC) auxiliary contacts. It supports a high voltage rating of up to 690 V AC (IEC) or 600 V AC
BRAND
Allen-Bradley
TYPE
Mechanical & Electrical Interlock Module
PART NO.
100-MCA02
MODEL
Bulletin 100 – 100-MCA02
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | Allen-Bradley |
| TYPE | Mechanical & Electrical Interlock Module |
| PART NO. | 100-MCA02 |
| MODEL | Bulletin 100 – 100-MCA02 |
| Voltage Rating | Ui: 690 V AC (IEC/EN 60947-5-1), 600 V AC (UL/CSA) |
| Catalog No. | 100-MCA02 |
| Application | Mechanical and electrical interlocking of reversing and changeover contactor assemblies |
| IEC | IEC/EN 60947-5-1 |
| Bulletin Series | Bulletin 100 |
| Series | Series B |
| Contact Configuration | 2 Normally Closed (NC) Auxiliary Contacts |
| Electrical Function | Cross-interlocks opposing contactor coils using dual NC auxiliary contacts |
| Primary Function | Provides both mechanical and electrical interlocking to prevent simultaneous energization of reversing or changeover contactors, protecting motors and control circuits |
| Typical Applications | Motor reversing starters, transfer switches, industrial control panels, MCCs, conveyors, cranes, marine automation and process control systems |
| Made In | Switzerland |
| REF NO | 20 |
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