ABB A2N250TW-2 Circuit Breaker
- 250A
- 2 Pole
- DIN Rail
Quantity
ABB A2N250TW-2 2 Pole Circuit Breaker
New
Quantity
Description
ABB A2N250TW-2 2 Pole Circuit Breaker
The ABB A2N250TW-2 is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 250 Amps and a voltage rating of 240V. It has an interrupting rating of 25kAIC. The A2N250TW-2 has a chassis, rear mounting type.
Specifications
| Brand | ABB |
|---|---|
| Series | A2N |
| Amperage | 250A |
| Poles | 2 |
| Mounting Style | DIN Rail |
| Voltage | 240VAC, 250VDC |
| AIC Rating | 25kA @ 240VAC, 25kA @ 250VDC |
| Frame Type | A2N |
|---|
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Approval | UL |
|---|
Product FAQs
8 answersWhat is the DC voltage rating for the ABB A2N250TW-2?
In addition to its 240V AC rating, this 2-pole breaker is rated for 250V DC applications, providing a 25kA interrupt capacity for both AC and DC circuits.
What type of trip unit is equipped on the A2N250TW-2?
It features a fixed thermal-magnetic (TMF) trip unit. The thermal and magnetic threshold values are fixed, with the magnetic trip point set at 2500A, which is 10 times the continuous current rating.
Can the ABB A2N250TW-2 be mounted in any orientation?
Yes, ABB FORMULA series breakers can be installed in horizontal, vertical, or lying down positions without any derating of their performance characteristics.
What are the operating temperature limits for this circuit breaker?
The A2N250TW-2 is designed to operate in ambient temperatures ranging from -13 F to 158 F (-25 C to 70 C).
Does high altitude affect the performance of the A2N250TW-2?
This breaker can be used at altitudes up to 6,562 feet without any derating. Installations above this elevation will require adjustments for cooling and dielectric strength.
What safety standards does the ABB A2N250TW-2 meet?
This molded case circuit breaker is fully compliant with UL 489 and IEC 60947-2 standards for low-voltage circuit protection.
Does this breaker include a push-to-test feature?
Yes, all ABB FORMULA circuit breakers are equipped with a test pushbutton to manually verify the mechanical operation of the tripping mechanism.
What are the physical dimensions of the A2N250TW-2?
The breaker measures 5.91 inches high, 2.76 inches wide, and 2.36 inches deep, offering a compact footprint for tight panel spaces.
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