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1sda054221r1 t4h 250 tma 125-1250 4 pole abb mccb
MPN: 1SDA054221R1
Alt. SKU: T4H 250 TMA 125-1250 4p F F
Special Price
£1,608.86
£1,340.72
Regular Price
£2,475.17
Why Choose the Moulded Case Circuit Breaker [1SDA054221R1]
The TMAX T4H 250 fixed four-pole circuit breaker features front terminals and a thermomagnetic release (TMA R 125), providing reliable protection for electrical installations. Rated for current ranges from 625 A to 1250 A (I3), this breaker ensures precise overload and short-circuit protection. Its robust design and compatibility with standard switchgear make it suitable for demanding industrial and commercial applications where dependable performance is essential.
Technical Specification
- Function: Moulded Case Circuit Breaker, Four-Pole with Thermomagnetic Release (TMA).
- Rated Current (Iₙ): 125 A.
- Rated Operational Voltage: 690 V AC / 750 V DC.
- Number of Poles: 4P, fixed with front terminals.
- Rated Insulation Voltage (Uᵢ): 1000 V.
- Rated Impulse Withstand Voltage (Uᵢₘₚ): 8 kV.
- Short-Circuit Breaking Capacity (I꜀ₛ): Up to 100 kA (voltage dependent, max at 230 V AC).
- Mechanical Durability: 20,000 operating cycles.
- Electrical Durability: 8,000 operating cycles at 120 cycles per hour.
- Test Voltage (1 min, industrial frequency): 3500 V.
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 T4H?
The rated current (Iₙ) of the C.BREAKER TMAX T4H is 125 A.
What is the maximum short-circuit breaking capacity?
The maximum short-circuit breaking capacity is up to 100 kA, depending on the voltage, with a maximum at 230 V AC.
What type of release does this circuit breaker use?
This circuit breaker uses a thermomagnetic release (TMA).
What is the rated operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC and 750 V DC.
How many operating cycles can this circuit breaker endure?
The mechanical durability is rated for 20,000 operating cycles, while the electrical durability is 8,000 operating cycles at 120 cycles per hour.
What is the rated insulation voltage?
The rated insulation voltage (Uᵢ) is 1000 V.
What standards and approvals does this product conform to?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SDA054221R1 |
|---|---|
| Barcode | 8015644574000 |
| Manufacturer | ABB |
| Number of Poles | 4 Pole |
| Amperage | 125A |
| Alternative Product SKU | T4H 250 TMA 125-1250 4p F F |
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