Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB 1SDA066812R1 XT1B 160 TMD 25-450 4P F F moulded case circuit breaker with 25 A rated current, four poles, thermomagnetic TMD release and fixed front terminals for low voltage power distribution.
£279.47
The ABB 1SDA066812R1 XT1B 160 TMD 25-450 4P F F is a compact and reliable moulded case circuit breaker (MCCB) from the ABB SACE Tmax XT series. Designed for dependable circuit protection in commercial and industrial power distribution systems, it helps protect electrical installations against overloads and short circuits.
This MCCB features an adjustable thermomagnetic TMD trip unit, providing effective thermal overload protection and magnetic short circuit protection. Its fixed four-pole construction with front terminals allows straightforward installation into switchboards, control panels and OEM electrical assemblies.
With a 25 A rated current, four-pole configuration and 18 kA breaking capacity at 415 V AC, the ABB XT1B 160 TMD 25-450 4P F F is suitable for low voltage electrical distribution where compact size, proven protection and ABB build quality are essential.
The ABB XT1B range is designed to provide dependable protection for low voltage electrical circuits. By combining overload and short circuit protection within a compact MCCB body, it helps protect cables, equipment and downstream devices from damaging fault conditions.
The thermomagnetic release is well suited to standard distribution and feeder applications, while the fixed front terminal layout makes the breaker easy to integrate into panel boards, switchgear and industrial control systems. ABB Tmax XT breakers are widely used where long service life and consistent protection performance are required.
Tick the specs you need, then view products that match.
| Mounting Type | Fixed | |
|---|---|---|
| Application | Power distribution | |
| Current | 25 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | MCCB | |
| Breaking Capacity | 18 kA | |
| Trip Unit | Thermal-magnetic | |
| Manufacturer | ABB | |
| Series | SACE Tmax XT | |
| Model | XT1B 160 TMD 25-450 4P F F | |
| Product code | 1SDA066812R1 | |
| Product type | Moulded Case Circuit Breaker (MCCB) | |
| Frame size | XT1 160 | |
| Rated current (In) | 25 A | |
| Rated uninterrupted current (Iu) | 160 A | |
| Number of poles | 4 | |
| Trip unit | Thermomagnetic TMD | |
| Thermal setting range | 17.5 to 25 A | |
| Instantaneous magnetic setting | 450 A | |
| Rated operational voltage | Up to 690 V AC | |
| Breaking capacity (Icu) | 18 kA at 415 V AC | |
| Terminal type | Front terminals | |
| Mounting type | Fixed | |
| Frequency | 50 / 60 Hz | |
| Standards | IEC 60947-2 | |
| Protection rating | IP20 device rating | |
| Dimensions (H × W × D) | approx. 130 × 101.6 × 70 mm | |
| Weight | approx. 1.35 kg | |
| HS Code | 85362090 | |
| Country of Manufacture | Italy |
It is used to protect low voltage electrical circuits against overloads and short circuits in industrial, commercial and OEM power distribution systems.
The ABB 1SDA066812R1 has a 25 A rated current and is built on the XT1 160 A frame size.
This model has a four-pole configuration, making it suitable for applications requiring phase and neutral protection.
The breaker is fitted with an adjustable thermomagnetic TMD trip unit for overload and short circuit protection.
The XT1B 160 TMD 25-450 4P F F is a fixed version with front terminals for standard panel and switchboard installation.
ABB SACE Tmax XT moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for reliable circuit protection, compact installation and proven performance in demanding low voltage systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.