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abb ct-ahe timer off delay 3-300s 1c/o
ABB CT-AHE 1SVR550110R2100 electronic OFF-delay timer relay with 110–130 V AC supply, 3–300 s timing range and one changeover contact for industrial control applications.
Why Choose the ABB CT-AHE 1SVR550110R2100 Time Relay?
The ABB CT-AHE (1SVR550110R2100) is a compact and reliable electronic time relay designed for accurate time-controlled switching in industrial automation, control panels and electrical installations. As part of the proven ABB CT-E timer relay range, it provides dependable off-delay timing functionality for a wide range of control applications.
This single-function timer relay provides an OFF-delay (delay on break) function with an adjustable time range from 3 s to 300 s. Its compact modular housing and DIN rail mounting capability make it suitable for installation in industrial control cabinets where reliable timing control is required.
With a 110–130 V AC control supply, 1 changeover (SPDT) relay output and switching capability up to 250 V / 4 A, the ABB CT-AHE 1SVR550110R2100 provides dependable delayed switching for automation and electrical control systems.
Key Advantages
- Compact electronic OFF-delay timer relay for industrial automation.
- Adjustable timing range from 3 s to 300 s.
- 110–130 V AC control supply for dedicated control applications.
- 1 changeover contact (SPDT) for flexible switching configurations.
- Space-saving DIN rail mounting design.
- LED status indication for easy monitoring of relay operation.
Key Features
- ABB CT-E electronic timer relay series.
- OFF-delay / delay on break timing function.
- 3–300 s adjustable time range.
- 1 CO (SPDT) relay output.
- 110–130 V AC rated control supply voltage.
- Voltage-related control input for triggering.
- Compact modular enclosure for control panels.
- Screw terminal connections for secure wiring.
Reliable Time-Based Control for Automation Systems
Electronic timer relays such as the ABB CT-AHE provide accurate switching delays that help coordinate industrial processes, machine sequences and electrical control functions. OFF-delay operation allows a circuit to remain active for a defined period after the control signal is removed.
The ABB CT-E timer relay family combines compact modular construction with dependable electronic timing technology, making it suitable for control cabinets, machinery and industrial automation systems requiring repeatable timing performance.
Typical Applications
- Industrial automation control panels.
- Motor control systems.
- Machine sequencing applications.
- Lighting and electrical control circuits.
- Building automation systems.
- Industrial switching and timing applications.
Technical Specifications
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| Supply Voltage | 110–127 V AC/DC | |
|---|---|---|
| Contacts | 1 C/O | |
| Mounting Type | DIN rail | |
| Device Type | Single-function timer | |
| Timing Function | Off-delay | |
| Timing Range | 3 s – 5 min | |
| Switching Current (A) | 4 A | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| IP Rating | IP20 | |
| Manufacturer | ABB | |
| Series | CT-E Electronic Timer Relays | |
| Model | CT-AHE | |
| Product ID | 1SVR550110R2100 | |
| Product type | Electronic time relay | |
| Function | OFF-delay (delay on break) | |
| Time range | 3–300 s | |
| Control supply voltage | 110–130 V AC | |
| Output | 1 changeover contact (SPDT) | |
| Rated operational voltage | 250 V | |
| Rated operational current | 4 A at 230 V AC (AC-12) | |
| Mounting type | 35 mm DIN rail mounting | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 78 × 22.5 × 78.5 mm | |
| Weight | approx. 0.067 kg | |
| Protection rating | IP20 |
Frequently Asked Questions
What is the ABB CT-AHE 1SVR550110R2100 used for?
The ABB CT-AHE is an electronic OFF-delay timer relay used for time-controlled switching in industrial automation and electrical control systems.
What timing range does the CT-AHE provide?
The timer relay provides an adjustable OFF-delay time range from 3 s to 300 s.
What supply voltage does the ABB CT-AHE require?
The CT-AHE operates from a 110–130 V AC control supply.
How many output contacts does this timer relay have?
The ABB CT-AHE provides one changeover (SPDT) relay contact.
Can the ABB CT-AHE be mounted on a DIN rail?
Yes, the CT-AHE is designed for standard 35 mm DIN rail mounting in control cabinets.
Trusted by Industrial Automation Engineers
ABB CT-E timer relays provide reliable timing control, compact installation and dependable switching performance for industrial and electrical automation applications.
