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ABB 1SDA075115R1 XT3N 225 is a 150 A three-pole fixed moulded case circuit breaker with front terminals, a TMF thermomagnetic trip unit, a 1500 A instantaneous magnetic trip setting and a 25 kA interrupting rating at 480 V AC for low-voltage circuit protection.
£534.44
The ABB XT3N 225 TMF 150-1500 3p F F UL/CSA, order code 1SDA075115R1, is a three-pole moulded case circuit breaker (MCCB) designed for reliable overload and short-circuit protection in low-voltage power distribution systems. Part of the ABB SACE Tmax XT3 range, it combines a 225 A frame with a 150 A TMF thermomagnetic trip unit.
The integrated TMF thermomagnetic release provides thermal protection against sustained overloads together with magnetic protection against short-circuit currents. This configuration has a 150 A rated current and a fixed 1500 A instantaneous magnetic trip setting, equivalent to 10 times the rated current.
Configured as a three-pole fixed circuit breaker with front terminals, the 1SDA075115R1 is rated at 600Y/347 V AC and provides an interrupting rating of 25 kA at 480 V AC. Its UL/CSA configuration makes it particularly suitable for industrial machinery, distribution equipment and OEM electrical panels designed for applicable North American electrical requirements.
Thermomagnetic moulded case circuit breakers combine two established protection principles within a single device. The thermal element responds to sustained overload conditions, while the magnetic element provides rapid operation during high-current short circuits. This combination provides dependable circuit protection without the configuration requirements associated with electronic trip units.
The ABB XT3N 225 1SDA075115R1 combines this proven TMF protection technology with the robust Tmax XT3 platform. Its 150 A rated current, 1500 A instantaneous magnetic setting and 25 kA interrupting rating at 480 V AC make it suitable for feeders, machinery supplies and three-phase distribution circuits requiring dependable UL/CSA-oriented protection.
| Series | SACE Tmax XT |
|---|---|
| Product group | T-Max XT 250 Range |
| Order code | 1SDA075115R1 |
| Alternate catalogue number | XT3NU3150AFF000XXX |
| Product type | Moulded case circuit breaker |
| Frame size | XT3 |
| Frame rating | 225 A |
| Performance level | N |
| Rated current (In) | 150 A |
| Number of poles | 3 |
| Trip unit | TMF thermomagnetic release |
| Thermal setting | 150 A |
| Instantaneous magnetic trip setting | 1500 A |
| Magnetic trip multiple | 10 × In |
| Rated operational voltage | 600Y/347 V AC |
| Interrupting rating at 240 V AC | 50 kA |
| Interrupting rating at 480 V AC | 25 kA |
| Interrupting rating at 600Y/347 V AC | 10 kA |
| Mounting type | Fixed |
| Terminal type | Front terminals |
| Main terminal connection | Bolt connection |
| Standard | UL 489 |
| EAN | 8015644790929 |
| Country of origin | Italy |
| Net weight | approx. 1.7 kg |
The ABB 1SDA075115R1 is a 150 A three-pole moulded case circuit breaker designed to provide thermomagnetic overload and short-circuit protection in low-voltage electrical distribution systems.
The circuit breaker is fitted with an ABB TMF thermomagnetic release, combining thermal overload protection with instantaneous magnetic short-circuit protection.
The designation identifies a 150 A rated current together with a 1500 A instantaneous magnetic trip setting, equivalent to 10 times the rated current.
The XT3N configuration provides interrupting ratings of 50 kA at 240 V AC, 25 kA at 480 V AC and 10 kA at 600Y/347 V AC under its applicable UL 489 ratings.
This version is a fixed three-pole circuit breaker with front terminals, designed for permanent installation within compatible low-voltage switchboards, distribution panels, control cabinets and OEM electrical assemblies.
ABB SACE Tmax XT moulded case circuit breakers combine robust construction, proven thermomagnetic protection and dependable short-circuit interruption performance for industrial, commercial and OEM low-voltage power distribution systems.
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