Contactors for Data Center PDU and UPS Systems: Selection Guide
AC-1 and AC-6a contactors for data center PDU and UPS systems: sizing, harmonic derating, coil selection, and endurance guidance for engineers. Shop at Stoklink.
The ABB TEF4-OFF (SKU: 1SBN020114R1000) is a front-mounted electronic timer block designed for seamless integration with compatible ABB contactors and motor starters in industrial automation and control panel applications. The TEF4-OFF provides reliable timing functionality in a compact 82 × 56 × 51 mm form factor, weighing only 0.065 kg, making it ideal for space-constrained installations. Engineered to meet a wide range of international standards, it is a trusted choice for engineers and procurement professionals worldwide.
| Product Net Width | 43 mm |
|---|---|
| Product Net Depth / Length | 67.7 mm |
| Product Net Height | 41.6 mm |
| Product Net Weight | 0.065 kg |
| Number of Auxiliary Contacts NO | 1 |
|---|---|
| Number of Auxiliary Contacts NC | 1 |
| Number of Poles | 2P |
| Standards | IEC/EN 60947-5-1, UL 508, UL 60335-2-40 LZGH2 A2L, CSA C22-2 No. 14-18, CSA C22.2 No. 60335-2-40 LZGH2 A2L |
| Rated Operational Voltage | Auxiliary Circuit 240 V AC, Auxiliary Circuit 24 V DC |
| Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz, Control Circuit 50 / 60 Hz |
| Conventional Free-air Thermal Current (Ith) | acc. to IEC 60947-5-1, Θ = 40 °C 5 A |
| Rated Operational Current AC-15 (Ie) | (24 / 127 V) 3 A, (220 / 240 V) 1.5 A |
| Rated Operational Current DC-13 (Ie) | (24 V) 1 A / 24 W |
| Rated Short-time Withstand Current Low Voltage (Icw) | for 0.1 s 8 A, for 1 s 8 A |
| Rated Insulation Voltage (Ui) | acc. to IEC 60947-5-1 400 V, acc. to UL/CSA 300 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Maximum Electrical Switching Frequency | (AC-15) 1200 cycles per hour, (DC-13) 900 cycles per hour |
| Maximum Mechanical Switching Frequency | 1800 cycles per hour |
| Power Loss | at 3 A per Pole 0.1 W |
| Connecting Capacity Auxiliary Circuit | Flexible with Ferrule 1/2x 0.5 ... 2.5 mm², Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm², Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mm², Rigid Solid 1/2x 1 ... 2.5 mm², Rigid Stranded 1/2x 1 ... 2.5 mm² |
| Degree of Protection | acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 |
| Tightening Torque | Auxiliary Circuit 1.2 N·m |
| Terminal Type | Screw Terminals |
| Timer Relay Type | OFF-Delay |
| Suitable For | AF09, AF09Z, AF12, AF12Z, AF16, AF16Z, AF26, AF26Z, AF30, AF30Z, AF38, AF38Z, AF40, AF52, AF65, AF80, AF96, AFC09, AFC12, AFC16, AFC26, AFC30, AFC38, NF22E, NFZ22E, NF31E, NFZ31E, NF40E, NFZ40E, NFC22E, NFC31E, NFC40E |
| Product Name | Electronic Timer |
| Tightening Torque UL/CSA | Auxiliary Circuit 11 in·lb |
|---|
| Part number | 1SBN020114R1000 |
|---|---|
| Type designation | TEF4-OFF |
| Brand | ABB |
| Condition | New, factory sealed |
| Source | ABB and its authorised distributors |
| Warranty | Manufacturer warranty |
| EAN | 3471523130654 |
| eCl@ss | 27371308 |
| Minimum Order Quantity | 1 piece |
| Customs Tariff Number | 85389091 |
| Ambient Air Temperature | Close to Contactor for Storage -40 ... +80 °C, Operation -25 ... +70 °C |
|---|---|
| Climatic Withstand | Category B according to IEC 60947-1 Annex Q |
| Maximum Operating Altitude Permissible | Without Derating 2000 m |
| Resistance to Vibrations | 3g Closed Position & 2g Open Position 5 ... 300 Hz |
| REACH Declaration | 2CMT2021-006202 |
|---|---|
| RoHS Declaration | 2CMT2021-006277 |
| RoHS Information | Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019 |
| Simplified SCIP | 11c817ed-31a4-4977-b0dd-1162db7cb10c Spain, 15c76503-c6f1-4ee1-832b-ceb0ad9fe9e9 Portugal, 1fa69680-2f31-4794-aab9-23b4087c8076 Denmark, 20e8813b-5482-4fea-93d4-5230bc39c1d8 Norway, 225c7b71-f643-4f44-8c09-30e88cd17843 Croatia, 318e3444-c94e-4b83-85ee-e2846fc4ff31 Sweden, 3e4ae181-b368-4129-af43-022248d49d51 Germany, 3e51002a-2896-49cf-acdf-fde67c090e58 Germany, 47e0302c-aa5f-4217-bf34-6248276df765 Germany, 5998dffb-48c5-4be3-ae8b-3dbc5d4fe2c2 Netherlands, 6ab93f4c-b284-4c93-9f1f-2255f63b2479 France, 79d086db-9aa6-45a4-bd52-3beca3219ba4 Estonia, 7ac4b82f-a5db-46ff-983b-732e048991c4 Germany, 7b3f7b87-74ed-477e-93b7-dba01cbaa9c0 Belgium, 86506ecb-3cbf-4f40-bf03-b7d919ed9e67 Bulgaria, 96c85ef8-bbb9-4a72-ad6c-3aefa287513e Finland, a33a4d46-f46a-4239-bd20-fa02f2e1e025 Poland, a3524abc-bdf2-4f1a-b069-186f94ab488c France, b979fd5c-82a3-478d-a2d9-9b4bf20f27cc Hungary, daf0e123-4d2a-498d-83e8-c90cff59205c Poland, ec0e3194-0957-457f-bd74-bf82d2549c21 Hungary, ed05cee5-4eea-4878-8cac-6aa8cdf480c2 Greece, ee268d0c-872c-4665-a6bd-ef18c2878822 Germany, f565d392-fc63-4a59-b5ae-d29b8611b3ea Czechia, f5cce2cd-6b01-40e7-8192-e53238bcc5d7 Belgium, f657ebd2-9b21-4be2-bdab-56ed69677aee Sweden, fb8f014a-de21-420e-8516-01cd94bb251e Poland |
| Toxic Substances Control Act - TSCA | 2CMT2023-006525 |
| WEEE B2C / B2B | Business To Business |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) |
| ETIM 7 | EC002060 - Timer block |
|---|---|
| eClass | V11.0 : 27371308 |
| UNSPSC | 39121523 |
| E-Number (Sweden) | 3210257 |
| Package Level 1 Units | box 1 piece |
|---|---|
| Package Level 1 Width | 82 mm |
| Package Level 1 Depth / Length | 56 mm |
| Package Level 1 Height | 51 mm |
| Package Level 1 Gross Weight | 0.065 kg |
| Package Level 1 EAN | 3471523130654 |
| Shipping weight | 0.065 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | Low stock |
Source: manufacturer data · Last verified: 30 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheetThe tariff (HS) code on file for TEF4-OFF is 85389091.
The EAN (GTIN) of TEF4-OFF is 3471523130654.
TEF4-OFF ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
AC-1 and AC-6a contactors for data center PDU and UPS systems: sizing, harmonic derating, coil selection, and endurance guidance for engineers. Shop at Stoklink.
Compare AC3 rating IEC contactors versus NEMA size codes, with cross-reference tables, derating formulas, and selection tips for engineers. Shop at Stoklink.
Master AC3 rating selection with our complete contactor checklist covering load sizing, utilization categories, derating, and coordination. Shop at Stoklink.