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ABB MCCB 1sda054191r1-t4s 250 tmd 50-500 3 pole
MPN: 1SDA054191R1
Alt. SKU: T4S 250 TMD 50-500 3p F F
Why Choose the Moulded Case Circuit Breaker [1SDA054191R1]
The C.BREAKER TMAX T4S 250 is a fixed three-pole circuit breaker featuring front-access terminals for straightforward installation and maintenance. It incorporates a thermomagnetic release (TMD R) with adjustable current ratings ranging from 50 to 500 A, providing precise protection against overloads and short circuits. Designed for reliable performance in industrial and commercial electrical distribution systems, this breaker ensures compatibility with standard switchgear and offers robust operational safety.
Technical Specification
- Function: Three-pole fixed moulded case circuit breaker with thermomagnetic release (TMD).
- Rated Current (Iₙ): 50 A.
- Rated Operational Voltage: 690 V AC / 750 V DC.
- Rated Service Short-Circuit Breaking Capacity (Ics): Up to 85 kA (220-230 V AC), 25 kA (690 V AC).
- Impulse Withstand Voltage (Uimp): 8 kV.
- Rated Insulation Voltage (Ui): 1000 V.
- Terminal Type: Fixed front terminals.
- Mechanical Durability: 20,000 operating cycles at 240 cycles/hour.
- Electrical Durability: 8,000 operating cycles at 120 cycles/hour.
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 T4S 250?
The rated current (Iₙ) of the C.BREAKER TMAX T4S 250 is 50 A.
What is the maximum operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC and 750 V DC.
What is the short-circuit breaking capacity of the TMAX T4S 250?
The rated service short-circuit breaking capacity is up to 85 kA at 220-230 V AC and 25 kA at 690 V AC.
How many operating cycles can the circuit breaker endure?
The mechanical durability is 20,000 operating cycles at 240 cycles/hour, and the electrical durability is 8,000 operating cycles at 120 cycles/hour.
What type of terminals does the C.BREAKER TMAX T4S 250 have?
The circuit breaker features fixed front terminals.
What is the impulse withstand voltage for this product?
The impulse withstand voltage (Uimp) is 8 kV.
What are the insulation voltage ratings for the TMAX T4S 250?
The rated insulation voltage (Ui) is 1000 V.
| Manufacturer Part Number | 1SDA054191R1 |
|---|---|
| Barcode | 8015644552916 |
| Manufacturer | ABB |
| Number of Poles | 3 Pole |
| Amperage | 50A |
| Alternative Product SKU | T4S 250 TMD 50-500 3p F F |
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