Page 456 - V17

Timers & Control Relays

MONITORING RELAYS - DIN MOUNTING

LIQUID LEVEL MONITORING RELAYS

Rated Control Measuring Time Delay
Function Supply Voltage Range (kΩ) Range (s) Contacts Part No.
(V)
1CO
5-100 Tripping Delay:
Dry Running (Adjustable) 0.1-30s (ON) (SPDT), CM-ENS.11S
Protection 4A
Overflow Protection 24 - 240 AC/DC Tripping Delay: 2CO
Liquid Level Control 0.1 - 1000 0.1 - 30s (SPDT), CM-ENS.31S
(Adjustable)
CM-ENS.31S (ON or OFF) 4A
- Module width: 22.5mm

SUSPENSION ELECTRODES
Function Connection Material no. Part No.
1.4301
CM-HCT suspension electrode suitable for drinking
water high-alloy steel, material no. 1.4301 Crimp (Stainless CM-HCT
steel 304)
CM-HCT

CURRENT MONITORING RELAYS - SINGLE PHASE
Rated Control Measuring
Function Supply Voltage Range Time Delay Contacts Part No.
(V) (A) Range (s)
0.003-0.03 1CO
0.01-0.1 (SPDT), CM-SRS.11S
Monitoring Over/ 24 - 240 AC/DC 0.1-1 - 4A
Undercurrent 0.3-1.5 1CO
1.0-5.0 (SPDT), CM-SRS.12S
CM-SRS.M2S 3.0-15 4A
Start-up Delay:
0.3 - 1.5 0.1 - 30s 2CO
Monitor 24 - 240 AC/DC 1.0 - 5.0 Tripping Delay: (SPDT), CM-SRS.M2S
Over/Undercurrent
3.0 - 15 0.1 - 30s 4A
(ON)
- Module width: 22.5mm

VOLTAGE MONITORING RELAYS
Rated Control Measuring
Function Supply Voltage Range Time Delay Contacts Part No.
(V) AC/DC (V) Range (s)
3.0 - 30
6.0 - 60 1CO
24 - 240 AC/DC - (SPDT), CM-ESS.1S
30 - 300
Monitor 60 - 600 4A
Over/Undervoltage 3.0 - 30
6.0 - 60 Tripping Delay: 2CO
24 - 240 AC/DC 0.1 - 30s (SPDT), CM-ESS.2S
30 - 300 (ON) 4A
CM-ESS.1S 60 - 600
Monitoring Over/
Undervoltage with 3.0-30 2CO
selectable latching 24 - 240 AC/DC 6.0-60 Tripping Delay: (SPDT), CM-ESS.MS
& open-circuit 30-300 0.1-30s (ON) 4A
or closed circuit 60-600
principle
- Module width: 22.5mm

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