Description
The SPRECHER + SCHUH CRC7-48M is a surge suppressor engineered to protect relay and contactor coils operating on 24–48V circuits. By clamping transient voltage spikes at the source, this device safeguards sensitive control components from premature failure caused by inductive switching surges — extending the service life of your control panels and reducing costly downtime.
Key Features
- Designed for use with SPRECHER + SCHUH contactors and relays
- Operating voltage range: 24–48V
- Suppresses inductive voltage transients at the coil to protect downstream control components
- Compact design for easy installation directly across coil terminals
- Reduces electrical noise and interference in control circuits
- Helps extend the operational life of contactors, relays, and associated control boards
Application
The CRC7-48M is ideal for HVAC control panels, motor starter circuits, and building automation systems where 24–48V coils are subject to frequent switching cycles. Installing a surge suppressor on inductive loads is a best practice that minimizes arc suppression wear and protects programmable controllers and other sensitive electronics connected to the same circuit.
Why Choose SPRECHER + SCHUH
SPRECHER + SCHUH is a globally recognized manufacturer of industrial control and protection components, delivering reliable, precision-engineered solutions trusted by HVAC professionals and electrical contractors worldwide.







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