Watlow CZR Series SSR

Features and Benefits

DIN-rail or standard panel mount

• Versatile, quick and low-cost installation

Compact size

• Reduces panel space and cost

Touch-safe terminals

• Increases installer and operator safety

Mercury free

• Environmentally safe

Faster switching with solid state

• Saves energy and extends heater life

UL® 508 recognized, CSA LR700195 certified, CE 60950 and RoHS

• Applications requiring agency approval

Back-to-back SCR design

• Offers rugged design for different application environments

 


SERIES CZR

The SERIES CZR solid state relay provides a low-cost, highly-compact and versatile solid state option for controlling electric heat. With DIN-rail and back panel mounting standard on every controller, the CZR allows for simple and quick installation.

The extensive capabilities of the SERIES CZR include single-phase, 18 to 42 ampere zero-cross switching up to 600VAC (see output rating curve). Its unique integrated design removes the guesswork associated with selecting a proper heat sink and precise terminations for the application.

This controller holds many agency certifications and is ideal for applications that require UL®, CSA and CE approvals. The SERIES CZR is available in VAC/VDC input contactor versions and all configurations are model number dependent and factory selectable.

The SERIES CZR is protected by a two-year warranty.

 

Note for Input Type (Contactor) : Do not use the AC1 input type with temperature controller outputs that include an AC snubber filter. This could cause the SERIES CZR to stay full on.

 


 

$91.00
Watlow CZR Series SSR is available to buy in increments of 1

CZR Series SSR

 

Specifications:

Control Mode

• Zero-cross fired contactor output

Operator Interface

• Command signal input

• Input signal indication LED

Input Command Signal

• Input Type DC1

• Turn on voltage 4VDC max., turn off voltage 1VDC min.

• Input current: dc typically 10mA @ 4VDC,13mA @ 32VDC

• Input Type AC1

• 90 to 140Vrms, must turn on at 90VAC, must turn off at 10VAC

• Input current: 15mA typical @ 120VAC

Output Voltage

• 24V; 24VAC min. to 280VAC max.

• 48V; 48VAC min. to 530VAC max.

• Off state leakage: 10mA at 77°F (25°C) max. for 24 through 480VAC models

• Holding current: 250mA max.

Output Amperage

• See output rating curve. Ratings are into a resistive heater load.

 

Output Amperage Rating

 Model 18 24 34 42
 Max. Surge Current 16.6 mSec 625 250 625 1000
 Max. I2t Fusing 1620 260 1620 4150

Agency Approvals

• Class II construction

• UL® 508 recognition, File #E73741 and CSA File LR 700195

• CE per 2006/95/EC Low Voltage Directive

• 2011/65/EU RoHS

Output Terminals

• Compression type

• For 18A models:

• Max. wire size 3.0 mm (10 AWG), torque to 0.6Nm (5.3 in. lbs)

• For 24 to 42A models:

• Max. wire size 16.0 mm (6 AWG stranded) torque to 1.5-1.7Nm (13-15 in. lbs)

Operating Environment

• Up to 176°F (80°C). See output rating curves for applications

• 0 to 90% RH (relative humidity), non-condensing

• Insulation tested to 3,000 meters

• Units are suitable for “pollution degree 2”

• Cycle time should be less than 3 seconds

Mounting

Options include DIN-rail or standard back panel mounting.

• The DIN-rail specification: DIN EN 50022, 1.38 in. x 0.30 in. (35 mm x 7.5 mm)

• Min. clipping distance: 1.37 in. (34.8 mm)

• Max. clipping distance: 1.39 in. (35.3 mm)

• Mount cooling fins vertical

Weight/Dimensions

• 9.2 oz (260g)

• 24 to 42A models: 3.95 in. (100 mm) high x 1.75 in. (45 mm) wide x 4.3 in. (109 mm) deep

• 18A models: 3.95 in. (100 mm) high x 0.89 in. (22.6 mm) wide x 3.9 in. (99 mm) deep

 


More Information
Manufacturer
Watlow
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