CT-ERD.22

Name: CT-ERD.22
Brand: ABB
SKU: CT-ERD.22

The ABB CT-ERD.22 is a single-function electronic time relay with ON-delay functionality, providing 7 time ranges from 0.05 s to 100 h. It features 2 SPDT contacts rated at 250 V / 5 A and is designed for compact installations in distribution panels and industrial settings.

Product ModelCT-ERD.22

Material Number1SVR500100R0100

Product ID85467

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Compact DesignThe CT-ERD.22 boasts a slim profile of 17.5 mm, making it perfect for installation in distribution panels and other space-constrained areas.
2
2. Versatile Time RangesWith 7 time ranges from 0.05 s to 100 h, this timer relay offers flexibility to suit a variety of applications, from short delays to extended periods.
3
3. Reliable ContactsEquipped with 2 SPDT contacts rated at 250 V / 5 A, the CT-ERD.22 ensures reliable operation in a wide range of electrical systems.
4
4. Easy OperationThe rotary switch for preselecting time ranges and the internal potentiometer for fine adjustment make operation straightforward and intuitive.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Product Net Width

17.5 mm

Product Net Height

80 mm

Product Net Depth / Length

63 mm

Product Net Weight

0.068 kg

Timer Relay Type

ON-Delay

Time Range

0.05 s ... 100 h

5. Comprehensive ApprovalsThe CT-ERD.22 meets various international standards, including UL 508, CAN/CSA C22.2 No.14, EAC, CCC, and CE, ensuring compliance with global regulations.

Rated Control Supply Voltage (Us)

24 ... 240 V AC 24 ... 48 V DC

Rated Operational Voltage

Auxiliary Circuit 250 V

Rated Frequency (f)

50 / 60 Hz DC

Output

2 c/o (SPDT) contacts

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 5 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 5 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Rated Impulse Withstand Voltage (Uimp)

Input Circuit 4 kV

Rated Insulation Voltage (Ui)

Input Circuit / Output Circuit 300 V Output Circuit 1 / Output Circuit 2 300 V

Degree of Protection

Housing IP50 Terminals IP20

Overvoltage Category

III

Pollution Degree

Short-Circuit Protective Devices

Output Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A

Connecting Capacity

Flexible 1x 0.5 ... 2.5 mmÂ² Flexible 2x 0.5 ... 1.5 mmÂ² Rigid 1x 0.5 ... 4 mmÂ² Rigid 2x 0.5 ... 1.5 mmÂ²

Tightening Torque

0.5 ... 0.8 NÂ·m

Wire Stripping Length

7 mm

Recommended Screw Driver

0.8 x 4 Pozidriv 1

Mounting Position

1 ... 6

Mounting on DIN Rail

TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715

Standards

CAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 61812-1 UL 508

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

C300

Connecting Capacity UL/CSA

Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-16 AWG

Tightening Torque UL/CSA

4.43 ... 7.08 inÂ·lb

Pilot Duty UL/CSA

C300

Flammability According to UL94

V-2

Ambient Air Temperature

Operation -20 ... +60 Â°C Storage -40 ... +85 Â°C

Maximum Operating Altitude Permissible

Without Derating 2000 m

Object Classification Code

ETIM 7

EC001439 - Timer relay

ETIM 8

EC001439 - Timer relay

ETIM 9

EC001439 - Timer relay

eClass

V11.0 : 27371605

UNSPSC

39122329

E-Number (Finland)

2712820

E-Number (Norway)

4187692

E-Number (Sweden)

4030177

Manufacturer ID

1SVR500100R0100