Sprecher+Schuh KTA7-25S-16A Motor Protection Circuit Breaker
1. Product Overview
Model: KTA7-25S-16A
Type: Motor start protection switch (motor protection circuit breaker)
Brand: Sprecher+Schuh (S+S, German brand, professional electrical control and protection equipment manufacturer)
Application: For short circuit, overload and phase loss protection of three-phase motors, suitable for industrial machinery, pumps, fans and other equipment.
2. Key parameters
Rated current: 16A (adjustable range is usually 10-16A, please check the manual for details)
Number of poles: 3 poles (3P) (three-phase motor protection)
Breaking capacity: usually 25kA (need to confirm the specific model)
Protection function:
Overload protection (adjustable)
Short circuit protection (magnetic tripping)
Phase loss protection (supported by some models)
Control voltage: passive mechanical (no external power supply required)
Installation method: rail installation (35mm DIN rail)
3. Product features
✔ Integrated design: integrated circuit breaker and overload relay functions, saving installation space.
✔ Adjustable protection: adjust the overload current setting value (such as 10-16A) through the knob.
✔ High reliability: complies with IEC 60947-4-1 standard and has a long mechanical life.
✔ Status indication: some models have a fault trip indication window.
✔ Compatibility: can be used with contactors, soft starters, etc.
4. Typical applications
Direct starting protection of three-phase asynchronous motors
Industrial pumps, compressors, conveyors and other equipment
HVAC systems, fan control cabinets