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1SDA100657R1 ABB TMA 500-5000 XT5 4p InN=100%In Thermal-Magnetic Trip Unit
ABB TMA 500-5000 XT5 4p InN=100%In thermal-magnetic trip unit accessory providing reliable overload and short-circuit protection for Tmax XT5 circuit breakers.
£489.23
Why Choose the ABB TMA 500-5000 XT5 4p InN=100%In Trip Unit?
The ABB TMA 500-5000 XT5 4p InN=100%In is a reliable thermal-magnetic trip unit designed for ABB Tmax XT5 moulded case circuit breakers. It provides dependable overload and short-circuit protection for low-voltage electrical distribution systems, combining proven thermal and magnetic protection technology with the robust performance of the ABB Tmax XT platform.
As part of the ABB Tmax XT accessory range, the TMA trip unit is designed for applications requiring straightforward, reliable circuit protection without the complexity of electronic releases. Its adjustable protection characteristics support effective protection of cables, feeders and electrical equipment in industrial and commercial installations.
With compatibility for ABB XT5 circuit breakers, a four-pole configuration and a neutral setting of 100% of In, the TMA 500-5000 XT5 4p InN=100%In provides dependable protection for three-phase systems with neutral conductors.
Key Advantages
- Thermal-magnetic protection release for ABB Tmax XT5 circuit breakers.
- Reliable overload and short-circuit protection technology.
- Four-pole configuration suitable for systems requiring neutral protection.
- Neutral protection setting of 100% of rated current.
- Compact and robust design for industrial electrical applications.
- Simple protection solution for low-voltage distribution systems.
- Compatible with ABB Tmax XT5 moulded case circuit breakers.
Key Features
- ABB TMA thermal-magnetic trip unit.
- Suitable for ABB Tmax XT5 series.
- Four-pole configuration.
- InN = 100% In neutral protection setting.
- Thermal overload protection function.
- Magnetic short-circuit protection function.
- Designed for reliable low-voltage circuit protection.
- Suitable for fixed ABB XT5 circuit breaker configurations.
Reliable Protection for Industrial Power Distribution
Thermal-magnetic trip units such as the ABB TMA provide dependable protection by responding to overload conditions through thermal sensing and short-circuit faults through magnetic tripping. This proven technology offers a simple and effective method of protecting electrical circuits and connected equipment.
The ABB Tmax XT platform combines compact moulded case circuit breakers with flexible trip unit options, allowing engineers to select the appropriate protection technology for industrial, commercial and infrastructure applications.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- Feeder and cable protection systems.
- Motor control centres.
- Low-voltage switchgear assemblies.
- Industrial machinery power supplies.
Technical Specifications
| Series | Tmax XT |
|---|---|
| Product family | T-Max XT 250 Range |
| Order code | 1SDA100657R1 |
| Product type | Thermal-magnetic trip unit accessory |
| Suitable for | XT5 moulded case circuit breakers |
| Trip unit type | TMA thermal-magnetic release |
| Number of poles | 4 |
| Neutral protection | 100% of In |
| Protection functions | Thermal overload and magnetic short-circuit protection |
| Standards | IEC 60947-2 |
Frequently Asked Questions
What is the ABB TMA 500-5000 XT5 4p InN=100%In used for?
This thermal-magnetic trip unit provides overload and short-circuit protection for ABB Tmax XT5 moulded case circuit breakers.
What type of protection does the TMA trip unit provide?
The TMA release provides thermal overload protection and magnetic short-circuit protection.
Which circuit breakers is this trip unit compatible with?
This accessory is designed for use with ABB Tmax XT5 circuit breakers.
What does InN=100%In mean?
The neutral protection setting is rated at 100% of the phase rated current, providing full neutral conductor protection.
Is this a complete circuit breaker?
No. The ABB TMA 500-5000 XT5 4p InN=100%In is a trip unit accessory intended for installation with a compatible ABB XT5 circuit breaker assembly.
Trusted by Electrical Engineers Worldwide
ABB Tmax XT trip units are trusted by electrical engineers and system designers worldwide for dependable protection, flexible configuration and reliable performance in modern low-voltage distribution systems.
