©Johnstone Supply eCatalog 216

HVAC CONTROLS Humidity Controls

Current Sensors • Contact closes when current is sensed, perfect for activating power to humidifiers, air cleaners and other equipment • SPST switch action • NEMA 1 rated housing • Includes removable mounting tab

• L42-855 and L42-856 include LEDs to show when sensor is over or under trip point • Dimensions: 1.46" W x 2.05" H x 1.51" D ( L42 853 , L42-854 and L42-855 ); 2" W x 2.52" H x 1.75"D ( L42-856 and L42-857 )

A

B

C

D

Each

Fig. Order # Mfg. #

Description

Range

Output

A L42-853 RIBXKF Solid Core Current Sensor w/ 16” Leads

.25 to 150 Amp

30VAC/VDC 30VAC/VDC 30VAC/VDC 30VAC/VDC

59.00 59.00 89.00 99.00

B L42-854 RIBXKTF Solid Core Current Sensor w/ Terminal Strip .25 to 150 Amp B L42-855 RIBXKTA Solid Core Current Sensor w/ Terminal Strip .50 to 150 Amp C L42-856 RIBXGTA Split Core Current Sensor w/ Terminal Strip .75 to 150 Amp

L42-857

D

RIBXGHF Split Core Current Sensor w/ 16” Leads

.50 to 150 Amp

120VAC

115.00

Current Switches • Solid core switches with fixed or adjustable trip points • Low operating trip points • LED status indication • Integral DIN rail mounting flange

• Accepts up to a 350 MCM (17.3 mm) cable • Operates up to 250 continuous amps

• RoHS and WEEE Compliant • Limited five-year warranty

Order # Mfg. #

Description

Range

Output

L44-391 CSS-C-F5-001 Solid Core “Go/No Go” Current Switch, Normally Closed L44-394 CSS-O-A200-001 Solid Core Adjustable Current Switch, Normally Open

0-250A 0-250A

0.15A at 300VAC/VDC 0.3A at 200VAC/VDC

Current Transmitters • Solid or split core loop-powered current transmitters for 4-20 mA models • Integral DIN rail mounting flange • Polarity sensitive output • Accepts up to a 350 MCM (17.3 mm) cable

• Operates up to 250 continuous amps • True RMS versions are available

• RoHS and WEEE compliant • Limited five-year warranty

A

B

Fig. Order # Mfg. #

Description

Range

Output

L44-401

A B

CTS-20-250-VFD-001

Solid Core Loop Powered Current Sensor Adjustable Split Core Loop Powered Current Sensor Adjustable

0-100/200/250A

4-20mA 4-20mA

L44-404 CTP-20-200-AVG-001

0-100/0-200/0-250A

Current Sensing Relays • For use with humidifiers and electronic air cleaners • Relay closes when current is sensed, activating power to humidifier or electronic air cleaner

Each

Order # Mfg. # B15-334 GA50

Volts

Application Humidifiers

24

75.00 95.00

B15-335

GA51

120

Electronic Air Cleaners

344

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