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abb ct-are timer true off delay 0.1-10s 1c/o
ABB CT-AHE electronic OFF-delay time relay with 24 V AC/DC supply, 0.1-10 s adjustable timing range and changeover relay output for industrial automation control applications.
Why Choose the ABB CT-AHE Time Relay?
The ABB CT-AHE 1SVR550120R1100 is a compact and reliable electronic time relay designed for accurate timing control in industrial automation, electrical control panels and machine applications. As part of the ABB CT-E timer relay series, it provides dependable switching functions for a wide range of industrial control systems.
This timer relay provides an adjustable OFF-delay timing function with a compact DIN rail mounting design, allowing easy integration into control cabinets and automation installations. Its clear LED indication and reliable relay output support efficient commissioning and operation.
With a 24 V AC/DC control supply, an adjustable 0.1–10 s time range and a 1 changeover relay output, the ABB CT-AHE 1SVR550120R1100 is suitable for applications requiring precise delayed switching control.
Key Advantages
- Compact electronic timer relay for industrial automation.
- OFF-delay timing function for controlled switching sequences.
- 0.1–10 s adjustable time range for flexible control applications.
- 24 V AC/DC supply voltage suitable for industrial control systems.
- DIN rail mounting enables simple installation inside electrical cabinets.
- Reliable relay output for automation and control applications.
Key Features
- ABB CT-E timer relay series.
- OFF-delay timing function.
- 0.1–10 s adjustable timing range.
- 24 V AC/DC rated control supply voltage.
- 1 changeover (SPDT / 1 c/o) relay output contact.
- 250 V AC / 4 A switching capacity.
- 22.5 mm DIN rail mounting width.
- LED status indication for operating visibility.
Reliable Timing Control for Industrial Automation
Electronic timer relays such as the ABB CT-AHE provide accurate control of delayed switching functions in industrial systems. Adjustable timing allows engineers to create controlled sequences that improve machine performance, process reliability and automation efficiency.
The ABB CT-E range is designed for OEM manufacturers, panel builders and automation engineers requiring dependable timing solutions with simple installation and flexible configuration.
Typical Applications
- Industrial automation control panels.
- Machine sequencing and timing circuits.
- Motor control applications.
- Process automation equipment.
- Electrical switching delay systems.
- OEM machinery control systems.
Technical Specifications
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| Supply Voltage | 24 V AC, 24 V DC | |
|---|---|---|
| Contacts | 1 C/O | |
| Mounting Type | DIN rail | |
| Device Type | Single-function timer | |
| Timing Function | Off-delay | |
| Timing Range | 0.1 s – 10 s | |
| Switching Current (A) | 4 A | |
| Coil / Supply Voltage | 24 V AC, 24 V DC | |
| IP Rating | IP20, IP50 | |
| Manufacturer | ABB | |
| Series | CT-E Timer Relays | |
| Model | CT-AHE | |
| Product ID | 1SVR550120R1100 | |
| Product type | Electronic time relay | |
| Function | OFF-delay timer | |
| Control supply voltage | 24 V AC/DC | |
| Time range | 0.1–10 s | |
| Output contact | 1 changeover (SPDT) | |
| Rated switching voltage | 250 V AC | |
| Rated switching current | 4 A | |
| Mounting type | DIN rail mounting | |
| Width | 22.5 mm | |
| Protection rating | IP50 housing / IP20 terminals | |
| Operating temperature | -20 to +60 °C | |
| Terminal type | Screw terminals |
Frequently Asked Questions
What is the ABB CT-AHE 1SVR550120R1100 used for?
This timer relay is used for OFF-delay timing control in industrial automation and electrical control circuits.
What is the time delay range of this relay?
The ABB CT-AHE 1SVR550120R1100 provides an adjustable time range of 0.1–10 s.
What supply voltage does the CT-AHE require?
The relay operates from a 24 V AC/DC control supply.
What type of output contact is included?
The CT-AHE includes a 1 changeover (SPDT) relay output contact for switching control circuits.
How is the CT-AHE installed?
The relay is designed for DIN rail mounting inside electrical control cabinets.
Trusted by Industrial Automation Professionals
ABB CT-E timer relays are widely used by automation engineers and panel builders to provide reliable timing control, simple installation and dependable performance in industrial systems.
