CT-AHC.12

Name: CT-AHC.12
Brand: ABB
SKU: CT-AHC.12

ABB's CT-AHC.12 is a single-function electronic time relay offering an OFF-delay function with 7 time ranges. It operates with 24-48V DC or 24-240V AC and features a 1 c/o (SPDT) output rated at 250V/4A.

Product ModelCT-AHC.12

Material Number1SVR508110R0000

Product ID83250

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
1. Versatile Time Ranges\"The ABB CT-AHC.12 offers 7 time ranges from 0.05 seconds to 100 hours, making it versatile for a wide range of applications.\"
2
2. Reliable Operation\"This electronic time relay ensures reliable operation with a 1 c/o (SPDT) output rated at 250V/4A, providing consistent performance.\"
3
3. Flexible Power Supply\"Operate the CT-AHC.12 with either 24-48V DC or 24-240V AC, offering flexibility in your control system setup.\"
4
4. Compact Design\"With dimensions of 17.5 mm in width, 70 mm in height, and 63 mm in depth, the CT-AHC.12 is compact and easy to integrate into your system.\"
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

70 mm

Product Net Depth / Length

63 mm

Product Net Weight

0.053 kg

Timer Relay Type

OFF-Delay

Time Range

0.05 s ... 100 h

5. High Insulation and Protection\"The device features a housing IP50 and terminals IP20, ensuring high insulation and protection against environmental factors, making it suitable for various industrial settings.\"

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

1 c/o (SPDT) contact

Terminal Type

Screw Terminals

Rated Operational Current AC-12 (Ie)

(230 V) 4 A

Rated Operational Current AC-15 (Ie)

(230 V) 3 A

Rated Operational Current DC-12 (Ie)

(24 V) 4 A

Rated Operational Current DC-13 (Ie)

(24 V) 2 A

Minimum Switching Capacity

12 V 100 mA

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 61812-1 UL 508

Maximum Operating Voltage UL/CSA

Output Circuit 300 V AC

Contact Rating UL/CSA

B300

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

B300

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)

2712829

E-Number (Norway)

4189320

E-Number (Sweden)

4030220

Manufacturer ID

1SVR508110R0000