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Schneider Electric DOM12252SNI-B — 1-Pole MCB (DIN Rail)

Schneider DOM12252SNI-B Domae MCB 1P 4A C-Curve 4.5kA

MPNDOM12252SNI-B
Obsolete

Schneider Electric Domae series, miniature circuit breaker 1P, 4 A, C curve, 4.5 kA breaking capacity, 230/400 V AC, DIN rail mount.

Schneider Electric DOM12252SNI-B datasheet (PDF)
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

DOM12252SNI-B — Identification
ParameterValue
Product / component typeMiniature circuit-breaker
Product rangeDomae
Device short nameDomae MCB
Poles description1P
Number of protected poles1
Device applicationDistribution
DOM12252SNI-B — Electrical & Protection
ParameterValue
Rated current (In)4 A
Rated operational voltage (Ue)230/400 V AC 50/60 Hz
Tripping curve codeC
Breaking capacity (Icu / AIR)4.5 kA at 230/400 V AC 50/60 Hz conforming to IEC 60898-1
Network type (AC/DC)AC
Network frequency50/60 Hz
Control / actuation typeToggle
Mechanical durability (cycles)10000 cycles
DOM12252SNI-B — Mounting & Connection
ParameterValue
Terminal connections / wire rangeTunnel type terminals1...25 mm² rigid Tunnel type terminals1...16 mm² flexible
Mounting supportDIN rail
Mounting modeClip-on
Width18 mm
Height81 mm
Depth78.5 mm
Tightening torque (by circuit)2 N.m
DOM12252SNI-B — Environmental
ParameterValue
Operating ambient temperature-25...60 °C
Storage ambient temperature-40...70 °C
IP degree of protectionIP20 conforming to IEC 60529
DOM12252SNI-B — Approvals
ParameterValue
Conformity standardsIEC 60898-1 SNI 04-6507.1

Product details

The Schneider Electric Domae DOM12252SNI-B is a single-pole miniature circuit breaker rated 4 A with a C trip curve, breaking 4.5 kA at 230/400 V AC 50/60 Hz per IEC 60898-1.

The 18 mm width (one module) and 81 mm height fit a standard distribution board or sub-panel. Depth is 78.5 mm — check your enclosure depth if using a shallow gland plate or a compact consumer unit. Tunnel terminals accept 1…25 mm² rigid or 1…16 mm² flexible cable; tighten to 2 N·m. IP20 finger-safe terminals suit enclosed panels only.

Frequently asked questions

Where can I buy DOM12252SNI-B?

We source the DOM12252SNI-B to order against an RFQ through independent distribution. Availability and current pricing are confirmed at quote time — submit an RFQ for a firm position.

What are the key ratings of DOM12252SNI-B?

Single-pole, 4 A rated current, C trip curve, 4.5 kA breaking capacity at 230/400 V AC 50/60 Hz, conforming to IEC 60898-1. DIN rail mount, 18 mm wide.

MPN
DOM12252SNI-B