Design and principle of operation
Sensors
Type
Number of Pt 1000
resistors
Accuracy
Sensor length
Perm. temperature range
Degree of protection acc. to
EN 60529
Weight
Connecting cable length
Marking
Wiring
Connecting cable
Version
Two-wire
Length
5 m
Wire coding
N ↔ Blue
L ↔ Brown
18
5277-2
5277-3
1
1
Class B
50 mm
50 mm
–50 to +180 °C
IP 54
Approx. 0.23 kg
2 m
3 m
Blue
Red
AI2
AI1
Three-wire
2.5 m
N ↔ Blue
L ↔ Brown
L' ↔ Black
Switching output
Amperage
Max. 1 A
Voltage
Depending on the supply volt-
age: 230 V · 120 V
Control line
Version
AI3
Wire
+ ↔ Orange
coding
– ↔ Brown
AI4
+ ↔ Red
– ↔ Black
EB 5724-8 EN