The 5SN3-320: Rated for DIN rail mounting per the subcategory. The 0.23 kg weight is a shipping reference, not a selection parameter — the breaker occupies a standard 1-module DIN space. No special gland plate or fill-factor derating needed beyond standard enclosure thermal considerations.
Siemens 5SN3-320 Miniature Circuit Breaker (MCB), DIN Rail Mount
MPN5SN3-320
Siemens 5SN3-320, DIN rail mount miniature circuit breaker (MCB), current lifecycle stage, weight 0.23 kg.
$315.16Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Weight | 0.23 kgs |
Product details
Frequently asked questions
What is 5SN3-320's listed title (5SN3-320) on this Miniature Circuit Breakers (MCB) line?
The listed title is 5SN3-320.
What is 5SN3-320's listed part # (5SN3-320) on this Miniature Circuit Breakers (MCB) line?
The listed part number is 5SN3-320.
MPN
5SN3-320