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Siemens 5SN6140-8CP — 1-Pole MCB (DIN Rail)

Siemens 5SN6140-8CP SENTRON MCB, 1-pole, 400V AC, 6/10kA

MPN5SN6140-8CP

Siemens SENTRON 5SN6140-8CP, 1-pole miniature circuit breaker, 400 V AC, 50 Hz, 6 kA (EN 60898) / 10 kA (IEC 60947-2), 18 mm wide, depth 76 mm.

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

Specifications

5SN6140-8CP — Identification
ParameterValue
Number of poles1
5SN6140-8CP — Mounting & Connection
ParameterValue
Width18 mm
Height90 mm
Depth76 mm
Installation depth70 mm
Modular width units1
Torque, min.-40 °C
Torque, max.75 °C

Product details

Siemens SENTRON 5SN6140-8CP — single-pole MCB for 400 V AC branch circuits

The 18 mm width (one modular unit) and 76 mm depth let it snap onto standard DIN rail in a distribution board or enclosure, occupying the same footprint as any 1-pole MCB in the SENTRON family.

What the breaking-capacity dual rating means for panel design

The breaker carries both marks, so it can be specified into either regime without a variant change.

DIN-rail fit and panel integration

Installation depth is 70 mm from the rail face to the back of the housing; overall depth including the front toggle is 76 mm. Solid conductors up to 35 mm² can be terminated at the tunnel-style clamp terminals.

Frequently asked questions

What are the breaking capacity ratings of the 5SN6140-8CP?

The 5SN6140-8CP is dual-rated: 6 kA according to EN 60898 and 10 kA according to IEC 60947-2, both at 400 V AC.

What is the physical size of the 5SN6140-8CP?

The breaker is 18 mm wide (one modular unit), 90 mm tall, and 76 mm deep, with an installation depth of 70 mm on the DIN rail.

Where can I buy the 5SN6140-8CP?

The 5SN6140-8CP is sourced and quoted to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time.

Does the 5SN6140-8CP have a DC voltage rating?

Yes, the maximum DC rated voltage is 72 V.

MPN
5SN6140-8CP