Phoenix MACX-MR-PTC-monitoring relay 1336523, motor coil temperature monitoring relay (up to 2x 3 PTC), temperature sensor for DIN 44081 and DIN 44082 standard requirements, short circuit, dynamic disconnection monitoring with thermistor circuit, 2-channel detection circuit.
Product Type
Temperature monitoring relay
Channels
2
(PTC sensors)
6 (2x 3 PTCs)
Mode of operation
closed circuit
mechanical life
approx. 3x 107 times
insulation characteristics
Overvoltage Category
III
pollution level
3
Electrical characteristics
Rated impulse withstand voltage
6 kV
service life, electrical
approx. 1x 105 times, resistive load 2000V A
rated conditions
15W
Sensor Type
PTC Type A
Rated insulation voltage
690V
electrical isolation
electrical isolation
300V
power supply
Supply Voltage Range
24V AC ... 240V AC -15 % ... +10%
24V DC ... 240V DC -25 % ... +30%
Rated power consumption
15 VA (1.5 W)
input data
Enter Name
Measurement Input
Frequency Range
48Hz ... 400Hz
maximum temperature coefficient
0.05 %/K
response value
≥ 2.8 kΩ (over-temperature detection, relay open)
Function
coil temperature monitoring
basic accuracy
1%
repeat accuracy
0.5 percent
Total cold resistance
< 750 Ω (per channel)
release value
≤ 1.1 kΩ (over-temperature detection, relay pull-in)
voltage
0.5 percent
Recovery Time
200 ms
maximum allowable voltage
3.3V DC
control
Connection Name
normally open dry contact
Cable Length
2x 100 m (0.75 mm²)
Maximum control voltage
3.3V DC
Maximum short-circuit current
0.33 mA
Output Data
switching
Contact Type
2 floating transfer contacts
Contact Material
AgNi
maximum switching voltage
250V AC
Maximum power rating (resistive load)
2000 VA (8 A/250 V AC)
output fuse
8 A (fast fuse)
