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Siemens 5SP3732-2 — 1-Pole MCB (DIN Rail)

Siemens 5SP3732-2 SHU Circuit Breaker, 1-Pole 32 A

MPN5SP3732-2

Siemens 5SP3732-2 SHU main conductor circuit-breaker, 1-pole, 32 A, 230/400 V, preassembled on SHU adapter 5ST1326.

Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Product details

The Siemens 5SP3732-2 is a 1-pole main conductor circuit-breaker (SHU) rated 32 A at 230/400 V, preassembled on a SHU adapter 5ST1326.

Fit & Integration

The SHU adapter 5ST1326 is the mounting base that carries the breaker — the assembly clips onto a DIN rail in a Siemens SHU distribution board. The 1-pole format protects a single phase; the 32 A rating covers typical lighting or socket-outlet circuits within the 230/400 V system.

Frequently asked questions

What is the 5SP3732-2 used for?

It is a 1-pole main conductor circuit-breaker (SHU) rated 32 A at 230/400 V, preassembled on a SHU adapter 5ST1326, used to protect a single-phase feeder in a Siemens SHU distribution board.

Where can I buy the 5SP3732-2 and how is it quoted?

Sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing confirmed at quote time.

What compliance documentation is available for the 5SP3732-2?

The manufacturer typically provides RoHS, REACH, and CE declarations for this series. Specific documentation can be requested at quote time.

MPN
5SP3732-2