Monitoring of motor temperature
Meassuring circuit data
Functions
monitoring of temperature of the motor winding (max. 6 PTC)
with fault latch, for temperature sensors DIN 44081,
test function with integrated Test/Reset key
LED indicator
green LED, red LED
Meassuring circuit
• terminals
T1-T2
• initial resistance
< 1,5 kΩ
• response value
relay in OFF-position: ≥ 3,6 kΩ
• release value
relay in ON-position: ≤ 1,8 kΩ
Input circuit
Supply voltage U
12 … 400 V AC; terminals A1-A2
Rated power consumption
2,0 VA / 1,5 W
Rated frequency
as per the specification of TR2 supply transformer
Output circuit
Number and type of contacts
2 C/O - changeover
Rated load AC1
5 A / 250 V AC
Max. breaking capacity AC1
1 250 VA
Insulation
Rated surge voltage
4 000 V AC
Overvoltage category
III PN-EN 60664-0
Insulation pollution degree
3 PN-EN 60664-1