Why Choose the ABB XT1B 160 TMD 125-1250 4P F F InN=100% Moulded Case Circuit Breaker?
The ABB 1SDA066888R1 XT1B 160 TMD 125-1250 4P F F InN=100% is a compact and dependable moulded case circuit breaker (MCCB) from the ABB SACE Tmax XT series. Designed for low voltage power distribution, it provides reliable protection against overloads and short circuits in industrial, commercial and OEM electrical installations.
This four-pole MCCB is fitted with an adjustable thermomagnetic TMD trip unit, combining thermal overload protection with magnetic short circuit protection. The fully rated neutral design provides InN=100%, making it suitable for applications where the neutral pole must carry the full rated phase current.
With a 125 A rated current, XT1 160 A frame size and 18 kA breaking capacity at 415 V AC, the ABB XT1B 160 TMD 125-1250 4P F F InN=100% is well suited to feeder protection, distribution boards, machinery supplies and general low voltage electrical systems.
Key Advantages
- Compact ABB SACE Tmax XT moulded case circuit breaker.
- 125 A rated current for dependable low voltage protection.
- Four-pole configuration with fully rated neutral.
- InN=100% neutral pole rating for full neutral current capability.
- Thermomagnetic TMD release for overload and short circuit protection.
- 18 kA breaking capacity at 415 V AC.
- Fixed MCCB with front terminal connections.
- Designed in accordance with IEC 60947-2.
Key Features
- ABB SACE Tmax XT series.
- Model: XT1B 160 TMD 125-1250 4P F F InN=100%.
- Product ID: 1SDA066888R1.
- 125 A rated current.
- 160 A frame size.
- Four-pole MCCB construction.
- Neutral rating: 100% of phase current.
- Adjustable thermomagnetic TMD trip unit.
- Front terminal connection type.
- Fixed mounting version for panel installation.
Reliable Protection for Low Voltage Power Distribution
The ABB XT1B range is engineered to protect electrical circuits by disconnecting power during overload or short circuit conditions. The thermomagnetic release provides a dependable combination of time-delayed overload protection and rapid magnetic fault interruption, helping protect cables, equipment and downstream devices.
Its compact fixed format, four-pole arrangement and fully rated neutral make this MCCB suitable for panel builders, electrical contractors and machine manufacturers requiring reliable protection in demanding low voltage installations.
Typical Applications
- Industrial power distribution systems.
- Commercial switchboards and distribution panels.
- OEM machinery and control cabinets.
- Feeder circuit protection.
- Manufacturing and process equipment.
- Building services and infrastructure systems.
- Low voltage AC and DC electrical protection.
