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1SVR508110R0100 ABB CT-AHC.22 Time Relay OFF-delay 2c/o
ABB CT-AHC.22 electronic OFF-delay time relay with two changeover outputs, 24–48 V DC or 24–240 V AC control supply and seven selectable time ranges from 0.05 s to 100 h.
£43.80
Why Choose the ABB CT-AHC.22 Time Relay?
The ABB CT-AHC.22 is a compact and reliable electronic OFF-delay time relay designed for precise timing and sequencing in industrial control and automation systems. As part of the established ABB CT-C timer relay range, it provides dependable delay-on-break operation for control panels, machinery and electrical automation applications.
This single-function timer relay provides seven selectable time ranges covering 0.05 s to 100 h, allowing the required delay to be set accurately for a wide range of control applications. Its front-mounted adjustment controls and compact housing simplify installation, commissioning and operation.
With a rated control supply voltage of 24–48 V DC or 24–240 V AC and two changeover relay outputs, the CT-AHC.22 provides flexible switching capability for industrial control circuits. Its compact 17.5 mm wide housing is well suited to installations where control panel space is limited.
Key Advantages
- Compact OFF-delay electronic time relay for industrial automation applications.
- Seven selectable time ranges from 0.05 s to 100 h.
- 24–48 V DC or 24–240 V AC control supply for flexible installation.
- Two changeover (2 c/o) relay outputs for versatile switching applications.
- Adjustable timing for straightforward configuration of delayed switching sequences.
- Compact 17.5 mm wide housing for space-efficient control panels.
Key Features
- ABB CT-C timer relay range.
- OFF-delay (delay-on-break) timing function.
- 2 c/o (SPDT) relay outputs.
- 24–48 V DC / 24–240 V AC rated control supply.
- 0.05 s to 100 h time range across seven selectable ranges.
- 250 V / 4 A rated output contacts.
- Voltage-related, non-floating control input.
- DIN rail mounting for straightforward control panel installation.
- Compact housing with screw terminals for industrial wiring.
Reliable Timing for Industrial Automation
Time relays such as the ABB CT-AHC.22 provide controlled delays within electrical automation systems. The OFF-delay function keeps the relay outputs energised for a defined period after the control signal is removed, helping coordinate contactors, motors, valves, indicators and other control equipment.
The CT-C range is designed for practical industrial control applications where accurate and repeatable timing is required. The CT-AHC.22 combines selectable time ranges, adjustable delay settings and a compact DIN rail-mounted housing for straightforward integration into control cabinets and electrical automation systems.
Typical Applications
- Industrial automation and control panels.
- Motor and contactor sequencing systems.
- Machine control and production equipment.
- Delayed switching of valves and actuators.
- Lighting and signalling control systems.
- Process control and electrical sequencing applications.
Technical Specifications
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| Contacts | 2 C/O | |
|---|---|---|
| Mounting Type | DIN rail | |
| Device Type | Single-function timer | |
| Timing Function | Off-delay | |
| Timing Range | 0.05 s – 100 h | |
| Switching Current (A) | 4 A | |
| Series | CT-C Time Relays | |
| Product type | Electronic time relay | |
| Timing function | OFF-delay | |
| Control supply voltage | 24–240 V AC / 24–48 V DC | |
| Time range | 0.05 s–100 h | |
| Number of time ranges | 7 | |
| Output | 2 c/o (SPDT) contacts | |
| Contact rating | 250 V / 4 A | |
| Rated frequency | 50 / 60 Hz / DC | |
| Protection rating | IP50 | |
| Operating temperature | -20–+60 °C | |
| Storage temperature | -40–+85 °C | |
| Mounting type | DIN rail mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 80 × 17.5 × 63 mm | |
| Weight | approx. 0.066 kg |
Frequently Asked Questions
What is the ABB CT-AHC.22 used for?
The CT-AHC.22 is an electronic OFF-delay time relay used to introduce a controlled time delay into industrial automation and electrical control circuits.
What time range does the CT-AHC.22 provide?
The relay provides seven selectable time ranges covering 0.05 s to 100 h.
What control supply voltage does the CT-AHC.22 require?
The CT-AHC.22 operates with a rated control supply of 24–48 V DC or 24–240 V AC.
How many outputs does the CT-AHC.22 have?
The timer relay has two changeover (2 c/o) SPDT relay outputs with contacts rated at 250 V / 4 A.
How large is the ABB CT-AHC.22?
The CT-AHC.22 has a compact housing measuring approximately 80 × 17.5 × 63 mm, making it suitable for space-conscious DIN rail control panel installations.
Trusted by Automation Engineers Worldwide
ABB CT-C time relays are widely used in industrial control and automation systems where reliable, adjustable timing and dependable switching performance are required.
