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Connecting Capacity

Flexible 2x 0.5 ... 1.5 mm²

Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm²

Flexible with Ferrule 2x 0.5 ... 1.5 mm²

Flexible 2x 1 ... 1.5 mm²

Rigid 2x 0.75 ... 1.5 mm²

Flexible with Ferrule 2x 0.75 ... 1.5 mm²

Rigid 2x 0.5 ... 1.5 mm²

Rigid 2x 0.5 ... 2.5 mm²

Rigid 1x 0.5 ... 4 mm²

Flexible 1x 0.5 ... 2.5 mm²

Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mm²

Flexible with Ferrule 1x 0.5 ... 2.5 mm²

Connecting Capacity UL/CSA

Flexible 2x 18-16 AWG

Rigid 2x 18-16 AWG

Flexible with Ferrule 2x 18-16 AWG

Rigid 2x 20-16 AWG

Rigid 2x 20-14 AWG

Rigid 1x 20-12 AWG

Flexible 1x 18-14 AWG

Degree of Protection

Terminals IP20

Housing IP50

Function

Filling or draining monitoring

Accessory - Suspension electrode

Draining monitoring

Filling monitoring

300 mm for compact support CM-KH-3

Accessory - Screw in electrode CM-SE-300

600 mm for compact support CM-KH-3

Accessory - Screw in electrode CM-SE-600

1000 mm for compact support CM-KH-3

Accessory - Screw in electrode CM-SE-1000

Accessory - Compact support CM-KH-3

Accessory - Distance plate CM-AH-3 for CM-KH-3

Accessory - Counternut CM-GM-1 for CM-KH-3

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Measuring Range

1 ... 1000 kΩ

0 ... 100 kΩ

5 ... 100 kΩ

Mounting Position

1 ... 6

1 ... 5

Output

1 c/o (SPDT) contact

1 n/o contact

2 c/o (SPDT) contacts

Product Net Depth / Length

103.7 mm

78.5 mm

4 mm

123 mm

23 mm

67 mm

26 mm

40 mm

Product Net Height

85.6 mm

78 mm

20 mm

135 mm

300 mm

600 mm

1000 mm

74 mm

6.5 mm

15 mm

Product Net Weight

0.106 kg

0.117 kg

0.09 kg

0.154 kg

0.125 kg

0.153 kg

0.143 kg

0.134 kg

0.074 kg

0.029 kg

0.059 kg

0.097 kg

0.086 kg

0.003 kg

0.006 kg

0.145 kg

0.147 kg

Product Net Width

22.5 mm

Rated Frequency (f)

Supply Circuit 50/60 Hz

Terminal Type

Screw Terminals

Screwless Terminals

Tightening torque

0.6 ... 0.8 N·m

Main Circuit 1 N·m

Control Circuit 0.9 N·m

Wire Stripping Length

Main Circuit 10 mm

8 mm

10 mm

The CM-ENS.23S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 110-130 V AC and 220-240 V AC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

CM-ENS.23S

CM-ENS.23S Liquid level monitoring relay 1c/o, sensitivity 0.1-1000kOhm

The CM-ENS.31P belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Furthermore, an ON-delay or an OFF-delay can be adjusted within a range of 0.1 to 10 s. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals.

CM-ENS.31P

CM-ENS.31P Liquid level monitoring relay 2c/o, sensitivity 0.1-1000kOhm

The CM-ENS.21S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

CM-ENS.21S

CM-ENS.21S Liquid level monitoring relay 1c/o, sensitivity 0.1-1000kOhm

The CM-ENS.13S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 110-130 V AC and 220-240 V AC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow and works according to the open-circuit principle. The sensitivity can be selected via front-face potentiometers. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

CM-ENS.13S

CM-ENS.13S Liquid level monitoring relay 1c/o, sensitivity 5-100kOhm

The CM-ENS.31S belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Furthermore, an ON-delay or an OFF-delay can be adjusted within a range of 0.1 to 10 s. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers screw connection technology with double-chamber cage connection terminals.

CM-ENS.31S

CM-ENS.31S Liquid level monitoring relay 2c/o, sensitivity 0.1-1000kOhm

The CM-ENS.11P belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow and works according to the open-circuit principle. The sensitivity can be selected via front-face potentiometers. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals.

CM-ENS.11P

CM-ENS.11P Liquid level monitoring relay 1c/o, sensitivity 5-100kOhm

Dipped electrode for eveluating liquid levels

CM-HE

The CM-SE-300 is a screw-in bar electrode for compact support CM-KH-3. This screw-in bar electrode is 300 mm long.

CM-SE-300

CM-SE-300 Screw-in bar electrode 300mm, for compact support KH-3

The CM-SE-600 is a screw-in bar electrode for compact support CM-KH-3. This screw-in bar electrode is 600 mm long.

CM-SE-600

CM-SE-600 Screw-in bar electrode 600mm, for compact support KH-3

The CM-SE-1000 is a screw-in bar electrode for compact support CM-KH-3. This screw-in bar electrode is 1000 mm long.

CM-SE-1000

CM-SE-1000 Screw-in bar electrode 1000mm, for compact support KH-3

Compact support CM-KH-3 for screw in bar electrodes with M4 winding

CM-KH-3

Distance plate CM-AH-3 for screwed in bar electrodes in compact support Cm-KH.-3

CM-AH-3

Counternut CM-GM-1 for compact support CM-KH-3

CM-GM-1

The CM-ENE MIN belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 110-130 V AC and has a 1 n/o output contact. It protects pumps against dry running. The output relay works according to the open-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MIN

CM-ENE MIN Liquid level relay 1n/o, 110-130VAC

The CM-ENE MIN belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 220-240 V AC and has a 1 n/o output contact. It protects pumps against dry running. The output relay works according to the open-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MIN Liquid level relay 1n/o, 220-240VAC

The CM-ENE MIN belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 V AC and has a 1 n/o output contact. It protects pumps against dry running. The output relay works according to the open-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MIN Liquid level relay 1n/o, 24VAC

The CM-ENS.21P belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 - 240 V AC/DC and has a 1 c/o (SPDT) output with contacts rated at 250 V / 4 A. It monitors liquid levels of conductive fluids and protects pumps against dry running or tanks against overflow. The working principle as well as the sensitivity can be selected via front-face potentiometers. Several electrodes and a sealable transparent cover for protection against unauthorized changes are available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals.

CM-ENS.21P

CM-ENS.21P Liquid level monitoring relay 1c/o, sensitivity 0.1-1000kOhm

The CM-ENE MAX belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 110-130 V AC and has a 1 n/o output contact. It monitors liquid levels of conductive fluids and protects tanks against overflow. The output relay works according to the closed-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MAX

CM-ENE MAX Liquid level relay 1n/o, 110-130VAC

The CM-ENE MAX belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 220-240 V AC and has a 1 n/o output contact. It monitors liquid levels of conductive fluids and protects tanks against overflow. The output relay works according to the closed-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MAX Liquid level relay 1n/o, 220-240VAC

The CM-ENE MAX belongs to the CM liquid level monitoring relay range. It operates with a rated control supply voltage of 24 V AC and has a 1 n/o output contact. It monitors liquid levels of conductive fluids and protects tanks against overflow. The output relay works according to the closed-circuit principle. The sensitivity is 0-100 kOhm fixed. The device offers screw connection terminals.

CM-ENE MAX Liquid level relay 1n/o, 24VAC

ABB Liquid Level Monitors and Controls