Australia 
Hager The Hager Plate for Mechanical Interlock HW1 DO Safety (Type 3S/3Sx) enables mechanical interlocking of air circuit breakers, ensuring only one ACB can close to prevent backfeed and faults. Supplied 1 plate per ACB, it fits Type 3S/3Sx and suits source changeover and bus-coupler applications, enhancing operator safety, maintenance efficiency, and system reliability with robust, easy-to-install hardware.
EAN
3250613141585
Packaging
1 Piece
Air Circuit Breaker Mechanical Interlock Plate HW1 DO Safety 3S/3Sx, 1/ACB HWY235H
Phase out product: please contact your electrical wholesaler for availability
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Environmental value
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Certifications and documents
Downloads
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Product image
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Product datasheet
Hager Product data sheet HWY235H
Plate for mechanical interlock HW1 DO Safety (Type 3S/3Sx) - 1 Plate/ACB (MI)
PDF -
Installation manual
Installation manual International 2024-01-02
PDF36,14 MB
Safety instructions
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PDF159,14 kB -
Handbook
Handbook International 2023-12-21
PDF1,33 MB -
Declaration of conformity
EU Declaration of Conformity
Declaration of conformity en-GB 2025-11-04
PDF413,59 kB
UKCA Declaration of Conformity
Declaration of conformity en-GB 2025-11-04
PDF418,76 kB
More documentation