ABB RXMB 1 Auxiliary Relay
ABB RXMB 1 Auxiliary Relay (1MRK001152-BS) is a high-speed auxiliary relay designed for protection, control, and automation systems. It provides reliable switching for trip, alarm, interlocking, and signaling circuits, offering multiple contact configurations, fast operation, and dependable performance in industrial and power distribution applications.
BRAND
ABB
TYPE
Auxiliary Relay
PART NO.
1MRK001152-BS
MODEL
RXMB 1
Full Technical Specifications ▶
| Parameter | Value / Description |
|---|---|
| BRAND | ABB |
| TYPE | Auxiliary Relay |
| PART NO. | 1MRK001152-BS |
| MODEL | RXMB 1 |
| VARIANT | 152-BS |
| PRODUCT DESIGNATION | RXMB 1 Auxiliary Relay |
| SUPPLY VOLTAGE | 230 V AC |
| FREQUENCY | 50 / 60 Hz |
| COIL VOLTAGE | 230 V AC, 50-60 Hz |
| CONTACT CONFIGURATION | 2 NO + 2 NC Contacts (Variant 152-BS) |
| CONTACT TERMINALS | 14-15, 24-25, 16-17, 26-27 (as marked on unit) |
| MOUNTING TYPE | Plug-in / COMBIFLEX Modular Mounting |
| OPERATING PRINCIPLE | Electromechanical High-Speed Auxiliary Relay |
| FUNCTION | Tripping, Blocking, Interlocking, Supervision and Control Functions |
| OPERATING TIME | High-Speed Operation (down to approximately 4 ms depending on variant) |
| PROTECTION CLASS | Semi-Protected, Dust-Proof Construction |
| INDICATION | Mechanical Operation Indication (variant dependent) |
| INSULATION LEVEL | IEC 255-5 Compliant Insulation |
| APPLICATION | Protection systems, tripping circuits, interlocking, supervision circuits, industrial automation, substation control and relay protection systems |
| OPERATING TEMPERATURE | -20°C to +55°C |
| STORAGE TEMPERATURE | -40°C to +70°C |
| IEC | IEC Compliant Protection Auxiliary Relay |
| ADDITIONAL LABEL DATA | 1MRK 001 152-BS |
| MADE IN | Sweden |
| REF NO. | 1257 |
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