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abb ct-ahe timer off delay 0.3-30s 1c/o
ABB 1SVR550110R4100 CT-AHE is an OFF-delay electronic time relay with a 0.3–30 s timing range, 110–130 V AC supply and a 1 c/o output contact.
Why Choose the ABB CT-AHE Time Relay?
The ABB 1SVR550110R4100, type CT-AHE, is a compact and reliable electronic time relay designed for accurate time-delay switching in industrial automation and electrical control applications. Part of the ABB CT-E timer relay range, it provides an OFF-delay timing function for machinery, control panels and automation systems requiring dependable sequence control.
The CT-AHE provides an OFF-delay (delay-on-break) timing function with an adjustable time range of 0.3–30 s. It operates from a 110–130 V AC control supply and includes a single changeover output contact, making it suitable for a wide range of industrial timing applications.
With a compact 22.5 mm DIN rail mounting design, a 1 c/o (SPDT) output contact rated at 250 V / 4 A and screw terminal connections, the ABB CT-AHE provides a practical timing solution for OEM equipment, automation systems and industrial electrical installations.
Key Advantages
- Compact electronic timer relay for industrial automation applications.
- OFF-delay timing function for controlled switching sequences.
- 0.3–30 s adjustable time range for flexible machine control.
- 110–130 V AC supply voltage for industrial control systems.
- Single changeover contact output simplifies circuit integration.
- DIN rail mounting enables straightforward electrical panel installation.
Key Features
- ABB CT-E timer relay range.
- CT-AHE electronic time relay.
- OFF-delay (delay-on-break) timing function.
- 0.3–30 s adjustable time range.
- 110–130 V AC rated control supply voltage.
- 1 c/o (SPDT) output contact.
- 250 V / 4 A contact rating.
- 22.5 mm compact housing width.
- DIN rail snap-on mounting.
Reliable Timing Control for Automation Systems
Electronic timer relays such as the ABB CT-AHE provide precise timing control for electrical circuits by maintaining output operation for a defined period after the control signal is removed. The OFF-delay function allows equipment sequences to be controlled accurately, improving automation reliability.
The ABB CT-E timer range combines compact dimensions, simple adjustment and dependable switching performance, making the CT-AHE suitable for industrial machinery, electrical control panels and OEM automation applications.
Typical Applications
- Industrial automation control panels.
- Machine sequencing and timing circuits.
- Motor control systems.
- Electrical distribution panels.
- Manufacturing and process equipment.
- OEM automation systems.
Technical Specifications
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| Supply Voltage | 110–127 V AC/DC | |
|---|---|---|
| Contacts | 1 C/O | |
| Mounting Type | DIN rail | |
| Timing Function | Off-delay | |
| Timing Range | 0.3 s – 30 s | |
| Device Type | Single-function timer | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Manufacturer | ABB | |
| Series | CT-E Timer Relays | |
| Model | CT-AHE | |
| ABB order code | 1SVR550110R4100 | |
| Product type | Electronic time relay | |
| Function | OFF-delay timer | |
| Time range | 0.3–30 s | |
| Rated control supply voltage | 110–130 V AC | |
| Output contact configuration | 1 c/o (SPDT) | |
| Output contact rating | 250 V / 4 A | |
| AC-12 current rating | 4 A at 230 V | |
| AC-15 current rating | 3 A at 230 V | |
| DC-12 current rating | 4 A at 24 V | |
| DC-13 current rating | 2 A at 24 V | |
| Mounting type | DIN rail mounting | |
| Terminal type | Screw terminals | |
| Dimensions (W × H × D) | 22.5 × 78 × 78.5 mm | |
| Weight | approx. 0.068 kg |
Frequently Asked Questions
What is the ABB 1SVR550110R4100?
The ABB 1SVR550110R4100 is the order code for the CT-AHE electronic time relay from the ABB CT-E timer range.
What timing function does the ABB CT-AHE provide?
The CT-AHE provides an OFF-delay timing function with an adjustable range of 0.3–30 s.
What supply voltage does the ABB CT-AHE require?
The CT-AHE operates from a 110–130 V AC control supply.
What output contact does the ABB CT-AHE have?
The CT-AHE includes a 1 c/o (SPDT) output contact rated up to 250 V / 4 A.
Where is the ABB CT-AHE typically installed?
The timer relay is typically installed on DIN rails inside industrial control panels for automation and electrical sequencing applications.
Trusted ABB Control Technology
ABB CT-E timer relays provide compact and reliable timing solutions for industrial automation, electrical control panels and machine-control applications.
