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ABB 1SDA068388R1 SACE Tmax XT4L 160 moulded case circuit breaker with 125 A rated current, four-pole fixed configuration, 50% neutral, front terminals and TMA thermal magnetic release.
£1,122.89
The ABB 1SDA068388R1 is a high-performance Tmax XT4L moulded case circuit breaker (MCCB) engineered to provide dependable protection for low voltage electrical distribution systems. As part of the trusted ABB SACE Tmax XT range, this breaker delivers outstanding protection against overloads and short circuits for industrial, commercial and infrastructure applications where high fault levels are present.
This model features a fixed four-pole configuration with front terminals and a TMA thermal magnetic release. The adjustable thermal protection enables accurate matching to connected loads, while the adjustable instantaneous magnetic trip provides rapid fault clearance to protect cables, switchgear and connected equipment. A 50% rated neutral pole makes this version suitable for installations where a reduced neutral current capacity is required.
With a rated current of 125 A, a 690 V AC rated operational voltage and a 120 kA breaking capacity at 415 V AC, the XT4L 160 is an excellent choice for demanding electrical distribution applications requiring reliable circuit protection and long service life.
The ABB Tmax XT4L series provides dependable protection against overloads and short circuits while maintaining excellent electrical performance under demanding operating conditions. Its thermal magnetic trip technology ensures rapid fault interruption to minimise equipment damage and reduce downtime.
Designed for switchboards, motor control centres and industrial power distribution systems, the XT4L range combines compact dimensions, high breaking capacity and ABB engineering expertise to provide dependable long-term protection.
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| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 125 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 120 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT4L 160 TMA 125-1250 4p F F InN=50% | |
| Product ID | 1SDA068388R1 | |
| EAN | 8015644022945 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Rated current (In) | 125 A | |
| Rated uninterrupted current (Iu) | 160 A | |
| Frame size | XT4 | |
| Rated operational voltage | 690 V AC / 750 V DC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Rated impulse withstand voltage (Uimp) | 8 kV | |
| Frequency | 50 / 60 Hz | |
| Number of poles | 4 | |
| Neutral rating | 50% of phase current | |
| Trip unit | TMA thermal magnetic | |
| Thermal adjustment range | 87.5 to 125 A | |
| Instantaneous trip setting | 625 to 1250 A | |
| Breaking capacity (Icu at 415 V AC) | 120 kA | |
| Breaking capacity (Icu at 690 V AC) | 20 kA | |
| Protection rating | IP20 | |
| Terminal type | Front bolt terminals | |
| Mounting | Fixed | |
| Dimensions (H × W × D) | 160 × 140 × 82.5 mm | |
| Weight | approx. 3.05 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
This MCCB protects low voltage electrical systems against overloads and short circuits in industrial and commercial power distribution installations.
The ABB 1SDA068388R1 has a 125 A rated current with an adjustable thermal setting from 87.5 A to 125 A.
It uses a TMA thermal magnetic trip unit with adjustable overload and instantaneous magnetic protection.
This version has a neutral pole rated at 50% of the phase current, making it suitable for systems where a reduced neutral current rating is appropriate.
It is commonly installed in switchboards, distribution boards, motor control centres and industrial electrical control panels.
ABB SACE Tmax XT moulded case circuit breakers are trusted worldwide by panel builders, OEMs and electrical engineers for dependable circuit protection, exceptional breaking performance and long-term operational reliability.
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