JUMO EM Series Operating Instructions

21
6 Device Description
maximum
contact rating
Switching point
accuracy
(in % from the scale range; referring to the set point or limit value
at T
U
+22 °C, with increasing temperature)
Type
Current
Voltage
Terminal 2 Terminal 4
EM- 20-E
EM- 30-E
10(2) A 2(0.4) A
AC 230 V +10%
cos ϕ = 1 (0.6)
0.25 A 0.25 A DC 230 V +10%
EM- 80
10(2) A
- -
AC 230 V +10%
cos ϕ = 1 (0.6)
0.25 A DC 230 V +10%
0.1 A
(extra code "702")
AC / DC 24 V
EM-80/574
10(2) A 2(0.4) A
AC 230 V +10%
cos ϕ = 1 (0.6)
0.25 A 0.25 A DC 230 V +10%
Contact reliability:
To ensure high switching reliability, we recommend a minimum load of:
- AC/DC 24 V, 100 mA with silver contacts (standard)
- AC/DC 10 V, 5 mA with gold-plated contacts (extra code "702")
Rating surge voltage:
2500 V (via the switching contacts 400 V)
Over-voltage category II
Required fuse rating:
see maximum switching current
Type
Hysteresis in % Switching point accuracy in %
fluid-filled gas-filled
in the upper third
of the scale or limit
value
at the scale begin-
ning
EM-30-E,
EM-80
7
- -
7
- -
+0 / -8
- -
EM-
20-E 710 +0 / -8 + 0 / - 10

JUMO EM Series Specifications

General

Housing Material	Plastic
Temperature Range	-50 to 400°C
Display	LCD
Power Supply	24 V AC/DC
Output	Relay, Analog
Input	Analog
Control Mode	PID, On/Off