Description
The ABB KT5AS3 (Manufacturer Part Number: KT5AS3, UPC: 8015644560409) is an internal auxiliary contact accessory engineered for use with ABB Tmax T4 through T6 molded case circuit breakers. Configured with 3 changeover (Q) contacts and 1 signaling (Sy) contact, this unit operates reliably at voltages up to 250 VAC/VDC.
Designed for seamless internal mounting within the circuit breaker housing, the KT5AS3 provides remote status monitoring, alarm signaling, and auxiliary control interlocking for complex industrial electrical distribution and automation systems.
Key Features
- Comprehensive Contact Configuration: Features 3 auxiliary (Q) contacts and 1 signaling/alarm (Sy) contact for robust status feedback.
- Dual Voltage Rating: Rated for reliable operation up to 250 VAC and 250 VDC.
- Tmax T4–T6 Compatibility: Engineered specifically for internal installation within ABB Tmax T4, T5, and T6 molded case circuit breakers.
- Internal Accessory Design: Mounts securely inside the breaker casing to preserve external panel space and maintain clean wiring layouts.
Specifications
| Technical Specification | Detail |
|---|---|
| Manufacturer Part Number (MPN) | KT5AS3 |
| Brand / Manufacturer | ABB |
| UPC Code | 8015644560409 |
| Product Type / Accessory | Internal Auxiliary Contacts (Aux-C 3Q 1Sy) |
| Contact Configuration | 3 Auxiliary Contacts (Q) + 1 Signaling Contact (Sy) |
| Voltage Rating | 250 VAC / VDC |
| Compatible Circuit Breakers | ABB Tmax T4, T5, and T6 Molded Case Circuit Breakers |
| UNSPSC Code | 39120000 |
| Primary Applications | Remote breaker status monitoring, alarm indication, control interlocking, and switchgear automation |
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