Proteus Mcb Torque Settings Jun 2026

The phrase “tighten until it strips, then back off a quarter turn” is a dangerous joke. For professional electricians working with Proteus distribution boards, the (1.5 Nm for standard poles, 2.5 Nm for high-current poles) are non-negotiable.

For standard domestic and light commercial installations, the following tightening torques generally apply to Proteus MCBs and RCBOs: Device Type Terminal Location Recommended Torque (Nm) (6A – 63A) All Terminals 2.0 – 2.5 Nm Compact RCBOs (Single Module) 2.0 – 2.5 Nm Load (Out) 1.0 – 1.5 Nm or 2.2 Nm High Amp MCBs (80A – 125A) All Terminals 3.5 Nm Main Switch / Isolators All Terminals 2.5 Nm Earth & Neutral Bars Terminal Screws 1.5 Nm Installation Best Practices Proteus Data Sheet - Kempston Controls proteus mcb torque settings

– Contact Siemens UK (Proteus legacy support) or check their download center for the specific data sheet. The phrase “tighten until it strips, then back