ABB XT1B 160 4 pole Basic MCCB Fixed Thermal/Adjustable Magnetic Release In=160A Ii=1600A

Why Choose the ABB XT1B 160 TMD 160-1600 4P F F InN=100% Moulded Case Circuit Breaker?

The ABB 1SDA066821R1 XT1B 160 TMD 160-1600 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 160 A rated current, XT1 160 A frame size and 18 kA breaking capacity at 415 V AC, the ABB XT1B 160 TMD 160-1600 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.
• 160 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 160-1600 4P F F InN=100%.
• Product ID: 1SDA066821R1.
• 160 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.

Technical Specifications

• Manufacturer: ABB
• Series: SACE Tmax XT
• Model: XT1B 160 TMD 160-1600 4P F F InN=100%
• Product code: 1SDA066821R1
• Product type: Moulded Case Circuit Breaker (MCCB)
• Frame size: XT1 160
• Rated current (In): 160 A
• Rated uninterrupted current (Iu): 160 A
• Neutral rating: 100% of phase current
• Number of poles: 4
• Trip unit: Thermomagnetic TMD
• Thermal setting range: 112 to 160 A
• Instantaneous magnetic setting: 1600 A
• Rated operational voltage: Up to 690 V AC / 500 V DC
• Rated insulation voltage: 800 V
• Rated impulse withstand voltage: 8 kV
• 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. 1.4 kg

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.

Trusted by Electrical Professionals Worldwide

ABB SACE Tmax XT moulded case circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, compact installation and long service life in demanding low voltage systems.