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General- All versions with screw or spring-type terminals (push-in technology)
- TOP wiring with spring-type terminals (push-in) for fast and secure wiring
- Low space requirements in the control cabinet thanks to a consistent width of 6.2 mm
- Reduced inventory due to low variance
- Clearly visible functional state of the coupling relay by green LED
- Integrated reverse polarity protection and EMC arc-suppression diode
- Uniform accessories throughout the entire 3RQ3 series
- Integrated jumper option using connecting comb for all terminals
- Galvanic isolation plate for isolating different voltages for neighboring units
- Clip-on labels available as plotter matte paper for individual printing
Coupling relays with relay output (not plug-in)- Relays fixed in enclosure for increased contact reliability
- Device variants with hard gold-plated contacts providing high contact reliability at low currents
Coupling relays with plug-in relay- Fast replacement of the relays with existing wiring
- Shorter installation times thanks to certified complete units
- Individual relays available as spare parts
- Device variants with hard gold-plated contacts providing high contact reliability at low currents
Coupling relays with semiconductor output (not plug-in)- Long service life as there is no mechanical wear
- High switching frequency thanks to short make and break times
- Insensitive to vibrations
- No contact bounce
- Maximum contact reliability
- Noise-free switching
- Low control power required
- Switching of DC and capacitive loads
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