Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEB8GQ1  ·  Generated: 14 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
ABB 3 + N Pole Wall Mount Isolator Switch - 125A Maximum Current
ABB
ABB 3 + N Pole Wall Mount Isolator Switch - 125A Maximum Current
Part No.
OS125TPN-A
Procurement Intelligence
The OS125TPN series is an enclosed wall-mounted isolator switch designed for three-phase + neutral distribution circuits up to 125A. It provides manual load isolation in industrial and commercial electrical installations. Critical verification: confirm the enclosure ingress protection rating (IP54/IP55) matches the installation environment and verify compatibility with the upstream protection device rating.
Three-phase circuit isolation and disconnection
Before ordering — verify:
☐ Wall mounting space clearance
☐ IP rating environmental suitability
☐ Upstream device coordination
Technical Specifications
Number of Poles3 + N
Maximum Current125A
Mounting TypeWall Mount
Electrical Phase3
SeriesOS125TPN
Enclosed/Not EnclosedEnclosed
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electrical-items/switches/switch-disconnectors-components/isolator-switches/abb-3-n-pole-wall-mount-isolator-switch-125a-maximum-current?mal=66182c190f45bcae5889e962
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.