Product Overview
The ABB SACE Tmax XT2N 160 is a fixed three-pole moulded-case circuit breaker fitted with a TMA adjustable thermal-magnetic trip unit.
It provides overload and short-circuit protection for shipboard distribution panels, motor-control centres, generators and industrial power systems. This configuration has a rated current of 160 A, an adjustable overload range of 112–160 A and an instantaneous trip range of 800–1,600 A.
Complete Ordering Description
XT2N 160 TMA 160-1600 3P F F
- XT2: Tmax XT2 frame
- N: Normal short-circuit performance level
- 160: 160 A frame and rated current
- TMA: Adjustable thermal-magnetic trip unit
- 160-1600: 160 A thermal rating and maximum 1,600 A magnetic setting
- 3P: Three poles
- F: Fixed installation
- F: Front terminals
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | ABB SACE |
| Product family | Tmax XT |
| Exact model | XT2N 160 TMA 160-1600 3P F F |
| ABB order code | 1SDA067020R1 |
| Breaker type | Moulded-case circuit breaker |
| Number of poles | Three |
| Installation | Fixed |
| Terminal arrangement | Front terminals |
| Terminal type | Bolted, M6 |
| Trip-unit technology | Thermal-magnetic |
| Release designation | TMA |
| Rated current | 160 A |
| Thermal setting range | 112–160 A |
| Instantaneous setting | 800–1,600 A |
| Rated operational voltage | Up to 690 VAC or 500 VDC |
| Rated insulation voltage | 1,000 V |
| Impulse withstand voltage | 8 kV |
| Rated frequency | 50/60 Hz |
| Standard | IEC 60947-2 |
| Width | 90 mm |
| Height | 130 mm |
| Depth | 82.5 mm |
| Weight | Approximately 1.4 kg |
Short-Circuit Breaking Capacity
| System voltage | Ultimate capacity Icu | Service capacity Ics |
|---|---|---|
| 220–240 VAC | 65 kA | 65 kA |
| 380–440 VAC | 36 kA | 36 kA |
| 500 VAC | 30 kA | 30 kA |
| 525 VAC | 20 kA | 20 kA |
| 690 VAC | 10 kA | 10 kA |
Protection Functions
- Adjustable thermal overload protection
- Adjustable instantaneous short-circuit protection
- Manual opening and closing
- Trip-free operating mechanism
- Clear ON, OFF and TRIPPED position indication
- Isolation function according to IEC requirements
Key Features
- Compact 160 A moulded-case circuit breaker
- Adjustable overload setting from 112–160 A
- Adjustable magnetic trip from 800–1,600 A
- High breaking capacity at common marine voltages
- Front-accessible operating and trip adjustments
- Fixed three-pole construction
- Double-insulated breaker body
- Extensive electrical and mechanical accessories
- Suitable for distribution and motor-feeder protection
- Compatible with ABB Tmax XT switchboard systems
Available Accessories
- Shunt-opening release
- Undervoltage release
- Auxiliary and alarm contacts
- Motor operator
- Rotary operating handle
- Door-interlocked handle
- Mechanical interlocks
- Phase barriers
- Extended front terminals
- Rear and plug-in connection kits
- Residual-current protection accessories
Typical Marine and Industrial Applications
- Main and emergency switchboards
- Motor-control centres
- Generator feeders
- Pump and compressor circuits
- Bow-thruster auxiliary systems
- Deck-machinery distribution
- HVAC and refrigeration panels
- Shore-power distribution
- Offshore platforms and FPSOs
- Industrial machinery and plant distribution
