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ABB MCCB 1sda054207r1-t4h 250 tmd 20-320 3 pole
MPN: 1SDA054207R1
Alt. SKU: T4H 250 TMD 20-320 3p F F
Why Choose the Moulded Case Circuit Breaker [1SDA054207R1]
The C.BREAKER TMAX T4H 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 an adjustable current rating range from 20 to 320 A, providing reliable protection against overloads and short circuits. Designed for compatibility with industrial and commercial electrical systems, this breaker ensures dependable performance and enhanced operational safety.
Technical Specification
- Function: Fixed three-pole moulded case circuit breaker with thermomagnetic release (TMD).
- Rated Current (In): 20 A.
- Rated Operational Voltage: 690 V AC / 750 V DC.
- Rated Insulation Voltage (Ui): 1000 V.
- Rated Impulse Withstand Voltage (Uimp): 8 kV.
- Short-Circuit Breaking Capacity (Ics): Up to 100 kA (220-230 V AC), down to 40 kA at 690 V AC.
- Terminal Type: Front fixed terminals.
- Mechanical Durability: 20,000 cycles at 240 cycles/hour.
- Electrical Durability: 8,000 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 T4H 250?
The rated current (I n) is 20 A.
What is the maximum operational voltage for this circuit breaker?
The rated operational voltage is 690 V AC / 750 V DC.
What is the short-circuit breaking capacity of the TMAX T4H 250?
It has a short-circuit breaking capacity of up to 100 kA at 220-230 V AC and down to 40 kA at 690 V AC.
How many mechanical cycles can the circuit breaker endure?
The mechanical durability is rated for 20,000 cycles at 240 cycles/hour.
What type of terminals does the C.BREAKER TMAX T4H 250 have?
It features front fixed terminals.
What is the electrical durability of this circuit breaker?
The electrical durability is rated for 8,000 cycles at 120 cycles/hour.
What standards and approvals does the TMAX T4H 250 comply with?
See the manufacturer's data sheet for standards and approvals.
| Manufacturer Part Number | 1SDA054207R1 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8015644553074 |
| Product Image | For Illustration Purposes Only |
| Manufacturer | ABB |
| Number of Poles | 3 Pole |
| Amperage | 20A |
| Alternative Product SKU | T4H 250 TMD 20-320 3p F F |
| Product Lead Time | Please contact us for a delivery time |
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