Skip to main content
Siemens 5SP4263-8 — 2-Pole MCB (DIN Rail)

Siemens 5SP4263-8 SENTRON MCB, 2P D 63A 10kA 400V

MPN5SP4263-8

Siemens SENTRON 5SP4 series, miniature circuit breaker, 2-pole, D tripping characteristic, 63 A, 10 kA (EN 60898) / 20 kA (IEC 60947-2), 400 V AC, tunnel terminals top and bottom.

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

Specifications

5SP4263-8 — Identification
ParameterValue
Product designationMiniature circuit breaker
Brand nameSENTRON
5SP4263-8 — Electrical
ParameterValue
Number of poles2
5SP4263-8 — Protection
ParameterValue
Tripping characteristic classD
5SP4263-8 — Mechanical
ParameterValue
Installation depth70 mm
5SP4263-8 — Other specifications
ParameterValue
Tunnel terminals topYes
Design of the product5SP Miniature circuit breakers
Number of poles (Note)2P
Tunnel terminals bottomYes
Circuit-breaker (Design)5SP4
Current (at AC)63 A
Acc. to EN 60898 / rated value10 kA
Acc. to IEC 60947-2 / rated value20 kA
Supply voltage (at AC)400 V

Product details

The Siemens 5SP4263-8 is a SENTRON 5SP4 miniature circuit breaker rated 63 A at 400 V AC with a D tripping characteristic, built to protect branch circuits against overload and short-circuit in industrial control panels and distribution boards. Breaking capacity is 10 kA per EN 60898 for standard residential/commercial duty and 20 kA per IEC 60947-2 for industrial installations where higher fault current is available.

Snap-on DIN-rail mount, 70 mm installation depth.

Frequently asked questions

What is 5SP4263-8's number of poles?

The 5SP4263-8 is a 2-pole miniature circuit breaker (2P), switching both line conductors in a single-width unit.

MPN
5SP4263-8