Sprecher+Schuh CT7N-23-B25 Overload Relay
It is a high-performance thermal magnetic overload relay, which belongs to the CT7N series. This relay is specially designed for motor protection, providing reliable overload and short-circuit protection functions, and is suitable for industrial motor control, mechanical equipment and automation systems. The product adopts a modular design and can be used perfectly with S+S contactors.
Core features
Precise overload protection
Current adjustment range: 0.1-25A (B25 model)
Complies with IEC 60947-4-1 standard
Provides CLASS 10 tripping characteristics
Reliable short-circuit protection
Integrated electromagnetic instantaneous tripping mechanism
Short-circuit protection range: 8-13 times the set current
Convenient operation design
Clear current scale adjustment dial
Manual/automatic reset selection switch
Sturdy structural design
Impact-resistant and vibration-resistant structure
Wide temperature range: -25°C to +60°C
Protection level IP20 (needs to be installed in the control cabinet)
Flexible installation method
Can be directly installed on S+S CT7 series contactors
Support DIN rail installation
Technical parameters
Parameters Specifications
Rated current range 0.1-25A
Rated insulation voltage 690V
Rated working voltage 400V AC
Tripping level CLASS 10
Short-circuit protection 8-13×In
Mechanical life 100,000 times
Ambient temperature -25°C to +60°C
Protection level IP20
Installation contactor direct mounting/DIN rail