Separate control
The system is controlled by a thermal element, a two-point, bimetallic controller in combination with a power switch element (RELOG relay or air-break contactor).
Two-point bimetallic controller
- Rated voltage 400 V AC
- Rated frequency 50/60 Hz
- Rated current 10 A
- Switching frequency ≤ 3600 switching cycles/h
- Service life for rated load ≥ 100,000 cycles
- Switching function as “normally closed”
- Opening temperature at 65°C ± 5K
- Closing temperature at 25°C ± 5K
- Ambient temperature of -40°C to 400°C
- Rated insulation AC voltage 2.5 kV
Datei
Datei
Power element RELOG switching relay 2RH30
- Rated voltage 400 V AC ± 10%
- Rated frequency 50/60 Hz
- Rated consumption ≤ 3.0 VA
- Max. switching voltage ≤ 250 V AC
- Max. switching power 10 A AC
- Max. permissible continuous current 5 A
- Number of contacts: 4 changeovers
- Switching frequency ≤ 3600 switching cycles/h
- Mechanical service life ≥ switching cycles
- Electrical service life ≥
- Ambient temperature of -40°C to 55°C
- Rated insulation AC voltage 2.5 kV
- Rated impulse voltage 4 kV (voltage wave form 1.2/50 50 µs)