ABB XT4N 250 TMA, 4-pole distribution circuit breaker, 225 A In, 250 A Iu, thermal-magnetic trip unit, 690 V, 50/60 Hz.
| Parameter | Value |
|---|---|
| Number of poles | 4 poles |
| Parameter | Value |
|---|---|
| In | 225 |
| Iu | 250 |
| Dimensions | XT4 |
| Type | XT4N 250 TMA 225-2250 4p F F InN=50% |
| Weight | 3.1 Kg |
| Trip units | TMA |
| Product type | Distribution Circuit Breakers |
| Dimensions (LxWxH) | 8.25cm x 14cm x 16cm |
| Current | 225 A |
| Voltage | 690 V |
| Rated frequency | 50 / 60 Hz |
The 1SDA068105R1: This is an ABB XT4N 250 TMA distribution circuit breaker — 4-pole, 225 A rated current (In), on a 250 A frame (Iu). The type string XT4N 250 TMA 225-2250 4p F F InN=50% indicates the trip unit is set to 50% of the maximum adjustability — meaning it's factory-calibrated for 225 A on a 250 A frame. This is a standard configuration for applications needing headroom on the frame.
Sourced against an RFQ. No last-time-buy to watch.
Rated current (In) is 225 A; frame rating (Iu) is 250 A.
Alternative models and sibling configurations in the same ABB series. For obsolete or discontinued parts, these models can serve as compatible replacements or functional alternatives for plant maintenance.
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