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ABB tef4-on electronic timers
ABB TEF4-ON frontal electronic timer relay with ON-delay function, adjustable timing ranges up to 100 seconds and compatibility with ABB AF, AFC, NF and NFC contactors.
£58.85
Why Choose the ABB 1SBN020112R1000 TEF4-ON Electronic Timer?
The ABB 1SBN020112R1000, also known as the TEF4-ON, is a compact front-mounted electronic ON-delay timer designed for use with ABB AF series contactors and NF contactor relays. It provides accurate and repeatable timing control for industrial motor starters, automation systems and control panels, helping simplify machine sequencing and control logic.
Engineered for seamless integration, the TEF4-ON plugs directly onto compatible contactors without requiring additional control wiring. Its integrated surge protection, wide 24-240 V AC/DC control voltage range and adjustable timing functions make it an ideal solution for OEM machinery, industrial automation and motor control applications.
With selectable timing ranges from 0.1 to 100 seconds, screw terminals and a compact front-mounted design, the ABB 1SBN020112R1000 provides reliable delayed switching while reducing installation time and panel space requirements.
Key Advantages
- Compact front-mounted electronic ON-delay timer for ABB AF contactors.
- Selectable timing range from 0.1 to 100 seconds.
- Wide 24-240 V AC/DC operating voltage for flexible installation.
- Direct plug-in design eliminates additional control wiring.
- Integrated varistor protects the contactor coil against voltage surges.
- Ideal for industrial automation, motor control and machine sequencing.
Key Features
- ABB TEF4-ON electronic timer series.
- ON-delay timing function.
- Adjustable timing from 0.1 to 100 seconds.
- Three selectable timing ranges.
- 1 NO + 1 NC auxiliary contacts.
- 24-240 V AC/DC control voltage.
- Screw terminal connections.
- Front-mounted accessory for ABB AF09 to AF96 contactors and NF contactor relays.
- Integrated surge suppression with built-in varistor.
- Compact cabinet-mounted design.
Reliable Timing Control for Industrial Automation
Electronic timers provide precise delayed switching functions that improve machine sequencing, motor starting and automation processes. The ABB TEF4-ON timer integrates directly with compatible contactors, offering a compact and reliable timing solution without increasing control panel complexity.
Its wide operating voltage range and selectable timing intervals make it suitable for a broad range of industrial applications, while the integrated surge protection helps extend contactor service life and improve system reliability.
Typical Applications
- Industrial motor starters.
- Machine automation systems.
- Conveyor control systems.
- Pump and fan control.
- Packaging machinery.
- OEM electrical control panels.
- Industrial process sequencing.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Current | 3 A | |
| IP Rating | IP20 | |
| Poles | 2-pole | |
| Device Type | Accessory | |
| Auxiliary Contacts | 1NO + 1NC | |
| Series | TEF4 | |
| Part number | 1SBN020112R1000 | |
| Product type | Frontal electronic timer | |
| Timer function | ON-delay | |
| Timing range | 0.1 to 100 seconds | |
| Timing range selection | 3 selectable ranges | |
| Auxiliary contacts | 1 NO + 1 NC | |
| Number of poles | 2P | |
| Rated operational voltage | 24 V DC / 240 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated operational current AC-15 | 3 A at 24/127 V AC, 1.5 A at 220/240 V AC | |
| Rated operational current DC-13 | 1 A at 24 V DC | |
| Rated insulation voltage | 400 V IEC, 300 V UL/CSA | |
| Impulse withstand voltage | 4 kV | |
| Conventional free-air thermal current | 5 A | |
| Maximum electrical switching frequency | 1200 cycles/hour AC-15 | |
| Maximum mechanical switching frequency | 3600 cycles/hour | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Compatible contactors | ABB AF09...AF96, AFC09...AFC96, NF and NFC contactor relays | |
| Operating temperature | approx. -25 °C to +70 °C | |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 | |
| Dimensions (W × H × D) | approx. 43 × 41.6 × 67.7 mm | |
| Weight | approx. 0.065 kg | |
| EAN | 3471523130630 |
Frequently Asked Questions
What is the ABB 1SBN020112R1000 used for?
It provides an adjustable ON-delay timing function for ABB AF contactors and NF contactor relays in industrial automation and motor control systems.
What timing range does the TEF4-ON support?
The timer offers adjustable delays from 0.1 to 100 seconds using three selectable timing ranges.
What control voltage does this timer operate on?
The TEF4-ON operates on a wide 24-240 V AC/DC control voltage range.
Which ABB contactors is it compatible with?
It is designed for ABB AF09 to AF96 contactors and compatible NF contactor relays.
Does the timer include surge protection?
Yes. The timer incorporates an integrated varistor that helps protect the contactor coil from voltage surges.
Trusted by Industrial Control Professionals
ABB TEF4 electronic timers are trusted by panel builders, machine manufacturers and automation engineers for delivering accurate timing control, dependable operation and straightforward integration into industrial motor control systems.
