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

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

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.

Product details

SKU Code: 1SVR740850R0200

EAN Code: 4013614502866

Minimum order: 1

This product is currently unavailable in any shop. Please contact the manufacturer for information on where it can be sourced.

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Technical Data

Main Features

EFI00008

0.88582725

EFI00040

3.37008056

EFI00049

4.08267937

Width

22.5 mm

Height

85.6 mm

Depth

103.7 mm

Cascadable

yes

With detachable clamps

no

Number of inputs for electrodes

3

Response value sensitivity adjustable

yes

Type of electric connection

Spring clamp connection

Rated control supply voltage AC 50 Hz

Rated control supply voltage AC 60 Hz

Rated control supply voltage DC

Max. permitted off-delay time

Min. adjustable off-delay time

Max. permitted operate delay time

Min. adjustable operate delay time

Physical measurement principle

Conductive

Voltage type for actuating

-

Number of contacts as normally closed contact

-

Number of contacts as normally open contact

-

Number of contacts as change-over contact

-

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