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ABB 1SDA068337R1 XT4H 160 TMA 50-500 3P fixed moulded case circuit breaker with 50 A thermomagnetic trip unit, front terminals and 70 kA breaking capacity for industrial power distribution.
£833.52
The ABB 1SDA068337R1 is a high-performance ABB SACE Tmax XT4H moulded case circuit breaker (MCCB) designed to provide dependable protection for low voltage power distribution systems. Featuring a 50 A thermomagnetic trip unit, fixed three-pole configuration and high breaking capacity, this MCCB delivers reliable protection against overloads and short circuits in demanding industrial and commercial electrical installations.
As part of the advanced ABB Tmax XT series, this circuit breaker combines compact dimensions with excellent electrical performance and long service life. The adjustable thermomagnetic release enables accurate protection settings, while the front terminal arrangement simplifies installation inside switchboards, motor control centres and distribution panels.
With a 160 A frame size, 50 A rated current and 70 kA breaking capacity at 415 V AC, the ABB XT4H 160 TMA 50-500 is ideal for protecting feeders, industrial equipment, machinery and electrical distribution systems where high fault levels may be present.
The ABB XT4H series provides dependable circuit protection for electrical distribution systems by combining thermal overload protection with rapid magnetic short circuit interruption. This helps minimise equipment damage, improve system reliability and reduce costly downtime.
Its robust construction, compact footprint and adjustable thermomagnetic protection make the ABB 1SDA068337R1 an excellent choice for panel builders, OEMs and electrical contractors requiring reliable protection for industrial power applications.
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 50 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 70 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT4H 160 TMA 50-500 3P F F | |
| Product ID | 1SDA068337R1 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Number of poles | 3 | |
| Rated current (In) | 50 A | |
| Frame current (Iu) | 160 A | |
| Trip unit | Thermomagnetic (TMA) | |
| Magnetic setting (Ii) | 300 to 500 A | |
| Rated operational voltage | Up to 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Breaking capacity (Icu) | 70 kA at 415 V AC | |
| Frequency | 50 / 60 Hz | |
| Terminal type | Front terminals | |
| Mounting type | Fixed | |
| Dimensions (H × W × D) | 160 × 105 × 82.5 mm | |
| Weight | Approx. 2.5 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
This moulded case circuit breaker protects electrical distribution circuits against overloads and short circuits in industrial and commercial installations.
The circuit breaker has a 50 A rated current with a 160 A frame size.
The breaker is equipped with an adjustable thermomagnetic TMA trip unit providing both overload and magnetic short circuit protection.
The XT4H version provides a 70 kA breaking capacity at 415 V AC, making it suitable for installations with high prospective fault currents.
It is commonly installed in electrical distribution boards, switchboards, motor control centres and industrial control panels.
ABB SACE Tmax XT moulded case circuit breakers are trusted by panel builders, OEMs and industrial engineers worldwide for delivering dependable circuit protection, excellent breaking performance and long-term reliability in critical power distribution applications.
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