Schneider Electric C40H Miniature Breakers Series

7 variants · Schneider ElectricAll Miniature Circuit Breakers (MCB) →

About the Schneider Electric C40H Miniature Breakers Series

The Schneider Electric C40H Miniature Breakers Series series groups 7 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. The listed variants share a common connection surface bottom of Front, connection surface top of Front and depth of 110 mm. Variants differ by application, operating temperature and storage temperature, so you can match the exact application your application requires using the selection guide below.

Select a variant by

Application: Distribution · Motor protection
Operating temperature: -35...70 °C · -25...70 °C
Storage temperature: -50...85 °C · -40...85 °C
Temp operating min: -35 °C · -25 °C
Temp storage min: -50 °C · -40 °C
Trip unit type: Electronic · Thermal-magnetic
Width: 140 mm · 185 mm

Shared specifications

Connection surface bottom: Front
Connection surface top: Front
Depth: 110 mm
Height: 255 mm
IP rating: IP40
Main product or component type: Circuit breaker
Mechanical life cycles: 15000 cycles
Pollution degree: class 3
Temp operating max: 70 °C
Temp storage max: 85 °C

Variant comparison

Parameter	C40H31M320	C40H32D400	C40H3TM400	C40H42D250	C40H45E400	C40H4TM400
Application	Motor protection	Distribution	Distribution	Distribution	Distribution	Distribution
Operating temperature	-25...70 °C	-25...70 °C	-25...70 °C	-25...70 °C	-35...70 °C	-25...70 °C
Storage temperature	-50...85 °C	-50...85 °C	-50...85 °C	-50...85 °C	-40...85 °C	-50...85 °C
Temp operating min	-25 °C	-25 °C	-25 °C	-25 °C	-35 °C	-25 °C
Temp storage min	-50 °C	-50 °C	-50 °C	-50 °C	-40 °C	-50 °C
Trip unit type	Electronic	Electronic	Thermal-magnetic	Electronic	Electronic	Thermal-magnetic
Width	140 mm	140 mm	140 mm	185 mm	185 mm	185 mm

Request a quote on any Schneider Electric C40H Miniature Breakers Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.