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Siemens 5SX4240-7 — 2-Pole MCB (DIN Rail)

Siemens 5SX4240-7

MPN5SX4240-7
End of Life

CIRCUIT BREAKER T55 400V, 10KA, 2-POLE, C, 40A

$77.79Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

5SX4240-7 — Identification
ParameterValue
Product designationMiniature circuit breakers
Brand nameSENTRON
5SX4240-7 — Electrical
ParameterValue
Number of poles2
5SX4240-7 — Protection
ParameterValue
Tripping characteristic classC
Overvoltage category3
5SX4240-7 — Mechanical
ParameterValue
Installation depth55 mm
Mounting positionany
Protection degree (IP)IP20, with connected conductors
MPN
5SX4240-7