1SDA054381R1
ABB Moulded Case Circuit Breaker 1SDA054381R1
ABB
ABB Moulded Case Circuit Breaker 1SDA054381R1
['Home', 'ABB', 'Moulded Case Circuit Breakers', '1SDA054381R1'] Need ABB 1SDA054381R1? Moulded Case Circuit Breaker fo…
Specifications
| Brand | ABB |
|---|---|
| Model Number | 1SDA054381R1 |
| Official Product Name | SACE Tmax T5V 400 Moulded Case Circuit Breaker |
| Applicable System | Low-voltage power distribution and transformer/generator protection |
| Product Type | Moulded Case Circuit Breaker (MCCB) |
| Equivalent Standard | IEC 60947-2 |
| Product Status | Active |
| Number of poles | 3 |
| Rated operational voltage | 690 V AC |
| Rated ultimate short-circuit breaking capacity (Icu) | 200 kA at 400 V AC |
| Trip unit | PR221DS-LS/I electronic (L/S/I) |
| Rated insulation voltage (Ui) | 1000 V |
| Dimensions (W x H x D) | 103.5 x 140 x 205 mm |
| Weight | 5.1 kg |
| Protection degree | IP20 (up to IP54 with accessories) |
| Standards | IEC 60947-2, CE, RoHS, GL certified |
| Rated current (In) | 400 A |
Product Description
It is built for low-voltage power distribution and transformer, generator and installation protection, and ships with the PR221DS-LS/I solid-state electronic trip unit providing overload (L), short-circuit (S) and instantaneous (I) protection. Bolted front terminals, panel-mount construction and a wide -25 to +70 deg C operating range make it suitable for demanding industrial and commercial environments. The ABB 1SDA054381R1 is a fixed, three-pole SACE Tmax T5V 400 moulded case circuit breaker (MCCB) rated for 400 A at 690 V AC with an exceptionally high 200 kA breaking capacity.
Basic Product Information
- PR221DS-LS/I solid-state electronic trip unit with precise L/S/I protection and easy setting adjustment
- Fixed three-pole construction with front bolted terminals for panel mounting
- Wide operating temperature range from -25 to +70 deg C and IP20 to IP54 protection options
- 200 kA high breaking capacity for reliable fault interruption close to transformers and high-capacity sources
Technical Specifications
Version & Model Difference
['This fixed three-pole variant (1SDA054381R1) uses front terminals and the PR221DS-LS/I solid-state release; other T5V versions offer draw-out mounting or different trip units (thermal-magnetic PR221DS-L).']
Application Scenarios
- Industrial 400 A class distribution panels as main incoming or high-capacity feeder protection
- Commercial buildings, hospitals and shopping centres on three-phase 690 V systems
- Infrastructure sites such as data centres and metro stations requiring high continuity
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Frequently Asked Questions
What trip unit is fitted to the ABB 1SDA054381R1?
It is fitted with the PR221DS-LS/I solid-state electronic trip unit providing overload, short-circuit and instantaneous protection with adjustable settings.
What is the breaking capacity of this Tmax T5V 400 breaker?
The rated ultimate short-circuit breaking capacity is 200 kA at 400 V AC, suitable for installation close to transformers or high-capacity sources.
Can this MCCB be mounted on a DIN rail?
No. This fixed version is designed for panel mounting with front bolted terminals and is not intended for top-hat rail mounting.
How do I get pricing and lead time for the 1SDA054381R1?
Pricing and availability vary by region and configuration; contact our industrial parts team for a quotation and current lead time.
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