Crydom CTR Series User Manual download pdf

DIN rail or panel mount 90 mm (width) package

Box Clamp terminals

Bracket fits all standard 35 mm DIN rail profiles

LED input status indicator

FEATURES

Crydom CTR Series Solid State Relays were developed to offer the advantages of semiconductor

switching technology in a compact, self contained package. Quick and easy installation is

coupled with low drive power requirements and efficient, reliable power SCR output.

IMPORTANT CONSIDERATIONS

Mounting air gap

(A)

Earth Bonding (Grounding)

To achieve maximum ratings if multiple units are installed, there must be a minimum air gap of 0.8 in (20

mm) between the devices (horizontally) and of 3.15 in (80 mm) measured between DIN clip tabs

(vertically).

The CTR heat sink is equiped with an earth bonding screw as is required for Class 1 Protection, in

accordance with EN 60950 (VDE 0804). Recommended torque is 20 in-lbs (2.2 Nm).

DIN Rail Mountable SSRs Three-Phase

CTR Series

MOUNTING INSTRUCTIONS

Mounting on DIN Rail

Mounting on Panel

Please read all installation instructions before using CTR Series SSRs.

Choose one of the two mounting options and follow the instructions below.

Locate the panel section on which the CTR SSR will be mounted on.

DIN clip includes tabs for this type of mounting. Tab holes have a

diameter of 4.5 mm. You will need two screws (not included) no

larger than that to mount the SSR onto panel.

Align SSR tabs with panel surface and screw both top and bottom

sides. Recommended torque is 12 in-lbs (1.36 Nm).

Locate rail and align with non moveable end of CTR DIN clip.

Using reasonable force, push CTR in the direction of the arrow

shown in fig.1.

For removal pull release tag in direction of arrow using blade of

screwdriver and pull it away from DIN rail.

To install

on DIN rail

To remove from DIN rail

fig.1 Mounting on DIN Rail

PART NUMBER NOMENCLATURE

Required for valid part number

For options only and not required for valid part number

CTR 25 -1060D

Series

Operational Current

25: 25 Amps / Phase

Control Voltage

B: 90-140 VAC

C: 180-280 VAC

D: 4-32 VDC

Operational Voltage

60: 48-600 VAC

Switching Mode

Blank: Zero Voltage Turn-On

-10: Random Turn-On

(DC Control only)

(A)

(B)

(C)

The air gap is the clearance distance adjacent to either side of the relay or assembly measured to

the next closer relay or assembly.

CTRCxxxx is rated at 60ºC max. ambient.

100% Duty Cycle.

Rev: 062411

Do not forget to visit us at: www.crydom.com

Installation Sheet

DIN Rail Mount

1 2

Installation Sheet 1

Summary of Contents

Page 1 - Installation Sheet

DIN rail or panel mount 90 mm (width) packageBox Clamp terminalsBracket fits all standard 35 mm DIN rail profilesLED input status indicatorFEATURESCry

Page 2

The following deating curves must be observed before installation.DERATING CURVES(B, C)Load Current (Amps)30252015105020 40 6080Ambient Temperature (º

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Crydom CTR Series User Manual

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