Product Description
ABB CM-KRN Contact Protection Monitoring Relay
The ABB CM-KRN is a specialized monitoring relay from the CM range, designed to provide reliable contact protection in various industrial applications. This device prevents the simultaneous closing of two contacts, such as in reversing starters or star-delta starters, thereby preventing short circuits and protecting equipment from damage. With two user-adjustable time ranges, it offers precise control over the delay between switching operations. Engineered in Germany, the CM-KRN ensures high reliability, operational safety, and compliance with key international standards, making it an essential component for robust control panel solutions.
Technical Specifications:
- Model: CM-KRN
- Function: Contact Protection Monitoring Relay
- Rated Control Supply Voltage (A1/A2): 220-240V AC or 110-130V AC (depending on variant)
- Timing Range: Adjustable 0.05 – 1 s and 1.5 – 30 s
- Output Contacts: 2 C/O (change-over) contacts
- Contact Ratings: AC-12: 230V 5A, DC-12: 24V 5A; AC-15: 230V 3A, DC-13: 24V 2.5A
- Standards: IEC 60255-6, EN 60255-6, EN 50178
- MPN: 1SVR450081R0000
ABB CM-KRN Contact Protection Monitoring Relay
Protect your circuits with the ABB CM-KRN contact protection monitoring relay. This relay features adjustable time ranges (0.05-30s), 2 C/O contacts, and supports a 220-240V AC supply. Ideal for preventing contactor welding and ensuring industrial system safety.
