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The ABB TEF4-OFF is a frontal electronic OFF-delay timer designed for direct mounting onto AF contactors and NF contactor relays. It provides three selectable time ranges from 0.1 to 100 seconds, with 1 NO and 1 NC auxiliary contacts. The timer plugs directly into the A1-A2 coil terminals and accepts a wide control voltage range of 24–240 V AC/DC. An integrated varistor provides surge protection, and a mechanical state indicator offers visual status confirmation.
| Product Type | Frontal Electronic OFF-Delay Timer |
|---|---|
| Compatible Contactors | AF contactors, NF contactor relays |
| Function | OFF-delay, 3 selectable time ranges |
| Time Range | 0.1–100s (3 ranges) |
| Auxiliary Contacts | 1 NO + 1 NC |
| Control/Supply Voltage | 24–240 V AC/DC |
| Supply Connection | Direct plug-in to A1-A2 coil terminals |
| Conventional Thermal Current (Ith) | 5 A at 40°C |
| AC-15 Rated Current (Ie) | 3 A @ 24–127 V; 1.5 A @ 220–240 V |
| DC-13 Rated Current (Ie) | 1 A @ 24 V |
| Rated Insulation Voltage (Ui) | 400 V (IEC) / 300 V (UL/CSA) |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Control Circuit Voltage (Uc) | 690 V |
| Surge Protection | Integrated varistor |
| Mounting | Front-mounted |
| Terminal Type | Screw terminals |
| Degree of Protection | IP20 |
| Mechanical State Indicator | Yes |
| Max Mechanical Switching Frequency | 3600 cycles/h |
| Max Electrical Switching Frequency | 1800 cycles/h |
| Dimensions (L×W×D) | 67.7 × 43 × 41.6 mm |
| Weight | 0.065 kg |
| Ambient Operating Temperature | -25°C to +70°C |
| Vibration Resistance | 5–300 Hz, 3 g closed / 2 g open |
| Max Operating Altitude | 2000 m |
| RoHS Compliance | Yes |
Fast worldwide shipping via DHL/FedEx/UPS. 1-year warranty. New surplus in stock. Bulk inquiry welcome.
Place your order before 14:00 for earliest possible shipment handover. With round-the-clock transit operated by our partnered global logistics providers, parcels reach most international destinations following routine customs processing. Economy shipping takes 9–14 business days, while express delivery arrives in 5–8 business days, both subject to customs clearance progress.Shipping fees will be charged for all orders under USD 500, and the exact shipping cost will be determined and collected by our logistics carriers. Shipments to remote international regions will incur additional courier surcharges to offset extra cross-border transportation costs.
Factory warranty service is not applicable to this industrial control equipment, and extended warranty packages are not provided for this item.
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