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1sda054446r1 t5h 400 tma 320-3200 4 pole abb mccb
MPN: 1SDA054446R1
Alt. SKU: T5H 400 TMA 320-3200 4p F F
Special Price
£2,159.59
£1,799.66
Regular Price
£3,322.45
Why Choose the Moulded Case Circuit Breaker [1SDA054446R1]
The TMAX T5H 400 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMA R 320) with adjustable current settings ranging from 1600 to 3200 A. Designed for reliable protection and precise tripping characteristics, this breaker is suitable for industrial and commercial electrical installations requiring robust overload and short-circuit protection. Its fixed configuration ensures secure mounting, while the front terminals facilitate straightforward wiring and maintenance.
Technical Specification
- Function: Four-pole moulded case circuit breaker with thermomagnetic release.
- Rated Current (In): 320 A.
- Rated Operational Voltage: 690 V AC, 750 V DC.
- Rated Impulse Withstand Voltage (Uimp): 8 kV.
- Rated Insulation Voltage (Ui): 1000 V.
- Short-Circuit Breaking Capacity (Ics): Up to 100 kA AC (varies with voltage).
- Terminal Type: Fixed front terminals.
- Electrical Durability: 7,000 operating cycles at 60 cycles/hour.
- Mechanical Durability: 20,000 operating cycles at 120 cycles/hour.
- Power Loss per Pole: 13.6 W at rated conditions.
Trusted By Customers Worldwide
"Specified by UK panel builders for dependable control." Controls Engineer, UK
Frequently Asked Questions
What is the rated current of the C.BREAKER TMAX T5H 400?
The rated current (I n) is 320 A.
What is the maximum short-circuit breaking capacity?
The short-circuit breaking capacity (I cs) is up to 100 kA AC, depending on the voltage.
What type of terminals does this circuit breaker have?
This circuit breaker features fixed front terminals.
What is the rated operational voltage for this product?
The rated operational voltage is 690 V AC and 750 V DC.
What is the electrical durability of the circuit breaker?
The electrical durability is 7,000 operating cycles at 60 cycles/hour.
What is the mechanical durability of the C.BREAKER TMAX T5H 400?
The mechanical durability is 20,000 operating cycles at 120 cycles/hour.
What are the insulation and impulse withstand voltage ratings?
The rated insulation voltage (U i) is 1000 V and the rated impulse withstand voltage (U imp) is 8 kV.
| Manufacturer Part Number | 1SDA054446R1 |
|---|---|
| Barcode | 8015644555504 |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 320A |
| Alternative Product SKU | T5H 400 TMA 320-3200 4p F F |
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