Circuit Breaker Installation Instructions for 140G2-K, 140G2-L, 140MG2-K, 140MG2-L
3
4
IEC Spacing
Phase barriers mandatory for 500V
or greater (≥ 500V AC), (≥ 250V DC)
50
(≥ 500V)
1.97"
Below 500V (<500V)
With Terminal Covers
Minimum distance for 500V or greater
(≥ 500V AC)
Minimum vertical distance between
140/140G2
Phase barriers required for 500VAC or greater (≥ 500V)
Phase barriers required greater than 250VDC (>250VDC)
With Spreader Terminals
200mm
200mm
(7.87")
(7.87")
120
minimum distance
1.97"
Publication 140G-IN273B-EN-P - January 2022
DIR 1002011A1002 (Version 01)