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ABB 1SDA054437R1 — Molded Case Circuit Breakers (MCCB)

ABB 1SDA054437R1 T5N 400 TMA MCCB, 400 A Frame

MPN1SDA054437R1

ABB T5N 400 TMA Molded Case Circuit Breaker, 1SDA054437R1, 400 A frame, 2.06 kgs.

Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

1SDA054437R1 — Specifications
ParameterValue
Weight2.06 kgs

Product details

T5N 400 TMA frame — what the description tells you

The ABB 1SDA054437R1 is a T5N 400 TMA molded case circuit breaker (MCCB) in a 400 A frame size. The TMA designation indicates a thermal-magnetic trip unit with adjustable thermal and fixed magnetic settings — the standard choice for general-purpose feeder and motor branch protection in distribution panels.

Current lifecycle — active production

For a BOM line that requires the T5N 400 TMA, this part is the direct, in-production choice — no need to qualify a substitute or manage an obsolescence risk at this time.

Sourcing this MCCB against an RFQ

The 1SDA054437R1 is sourced to order through independent distribution channels. If the BOM calls for this exact order code, the replacement path is the same part number.

Frequently asked questions

How can I order the 1SDA054437R1 or check current pricing?

Submit an RFQ for the 1SDA054437R1 through this listing. The part is sourced to order; availability and pricing are confirmed at quote time against your target quantity and delivery window.

What does the TMA trip unit mean on this ABB MCCB?

TMA stands for thermal-magnetic adjustable — the thermal element (overload protection) is adjustable, while the magnetic element (short-circuit protection) is fixed. This is the standard trip unit for general-purpose feeder and motor branch protection in the T5N frame.

MPN
1SDA054437R1