| Manufacturer part number (MPN) | ETR4-51-W |
| EAN / GTIN | 4015080318859 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Eaton catalogue number | 031885 |
| Depth | 103 mm |
| Height | 83 mm |
| Width | 23 mm |
| Weight | 0.117 kg |
| Certifications | VDE 0435; IEC/EN 61000-4-2; Standard IEC/EN 61812; IEC/EN 61000-4-3 |
| Ambient operating temperature - max | 60 °C |
| Ambient storage temperature - max | 85 °C |
| Ambient operating temperature - min | -25 °C |
| Ambient operating temperature (enclosed) - max | 45 °C |
| Ambient operating temperature (enclosed) - min | 25 °C |
| Climatic proofing | Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78 |
| Equipment heat dissipation, current-dependent Pvid | 0 W |
| Heat dissipation capacity Pdiss | 0 W |
| Heat dissipation per pole, current-dependent Pvid | 1.4 W |
| Rated operational current for specified heat dissipation (In) | 6 A |
| Static heat dissipation, non-current-dependent Pvs | 0.5 W |
| Conventional thermal current Ith of auxiliary contacts (1-pole, open) | 6 A |
| Mains voltage tolerance | 400 V AC (at 50/60 Hz) |
| Nominal current | 3 A |
| Rated breaking capacity | 3 A at AC-15 (cos ϕ = 0.3 220 V); 1.1 x Iₑ (DC-11 L/R - 40 ms); 3 A at AC-14 (cos ϕ = 0.3 440 V) |
| Rated frequency - max | 63 Hz |
| Rated frequency - min | 47 Hz |
| Rated insulation voltage (Ui) | 600 V |
| Rated making capacity | 1.1 x Iₑ (DC-11 L/R - 40 ms); 50 A (AC-15 cos ϕ = 0.3 220 V); 48 A (AC-14 cos ϕ = 0.3 400 V) |
| Rated operational current (Ie) | 3 A at AC-14, 440 V; 1.5 A at DC-11, 24 V; 3 A at AC-15, 220 V 230 V 240 V; 3 A at AC-15, 380 V 400 V 415 V; 1.2 A at DC-11, L/R max. 50 ms; 3 A at AC-14, 380 V 400 V 415 V |
| Rated operational voltage (Ue) at AC - max | 440 V |
| Safe isolation | 250 V AC, Between coil and auxiliary contacts, According to EN 61140; 250 V AC, Between auxiliary contacts, According to EN 61140 |
| Short-circuit protection rating | Max. 6 A gG/gL, Fuse, Short-circuit rating without welding, Contacts; Max. 6 A gG/gL, fuse, without welding, Contacts |
| Air discharge | 8 kV |
| Burst impulse | According to IEC/EN 61000-4-4; 2 kV, Supply cable; 1 kV, Signal cable |
| Contact discharge | 6 kV |
| Electromagnetic fields | 10 V/m at 80 - 1000 MHz (according to IEC EN 61000-4-3); 1 V/m at 2.0 - 2.7 GHz (according to IEC EN 61000-4-3); 3 V/m at 1.4 - 2 GHz (according to IEC EN 61000-4-3) |
| Immunity to line-conducted interference | 10 V (according to IEC/EN 61000-4-6) |
| Radio interference class | Class B (EN 55011, radiated); Class B (EN 55011, conducted) |
| Surge rating | According to IEC/EN 61000-4-5, power pulses (Surge), EMC; 2 kV, symmetrical, power pulses (Surge), EMC; 4 kV, asymmetrical, power pulses (Surge), EMC |
| Electric connection type | Screw connection |
| Functions | Fixed timing function; Star-delta; Star-delta switching |
| Degree of protection | Terminals: IP20; IP20 |
| Lifespan, mechanical | 30,000,000 Operations (DC operated); 30,000,000 Operations (AC operated) |
| Mounting position | As required |
| Number of contacts (change-over contacts) | 1 |
| Overvoltage category | III |
| Pollution degree | 2 |
| Product category | ETR4 timing relays |
| Rated impulse withstand voltage (Uimp) | 6000 V AC |
| Shock resistance | 4 g, Make contact, Mechanical, according to IEC/EN 60068-2-27, Half-sinusoidal shock 20 ms |
| Suitable for | DIN rail (top hat rail) mounting |
| Terminal capacity | 1 x (0.5 - 2.5) mm², solid; 2 x (0.5 - 1.5) mm², solid; 1 x (20 - 14) AWG, solid or stranded; 2 x (0.5 - 1.5) mm², flexible with ferrule; 1 x (0.5 - 2.5) mm², flexible with ferrule |
| Time range - max | 60 s |
| Time range - min | 3 s |
| Type | Timer relay |
| Voltage type | AC |
| Command time | 50 ms, AC |
| Contact changeover time | 50 ms |
| Duty factor | 100 % |
| Operating frequency | 4000 Operations/h |
| Pick-up voltage | 0.85 - 1.1 V AC x Uc |
| Power consumption | 0.5 VA at AC (Pick-up power); 0.5 VA at AC (Sealing power) |
| Rated control supply voltage (Us) at AC, 50 Hz - max | 400 V |
| Rated control supply voltage (Us) at AC, 50 Hz - min | 400 V |
| Rated control supply voltage (Us) at AC, 60 Hz - max | 400 V |
| Rated control supply voltage (Us) at AC, 60 Hz - min | 400 V |
| Recovery time | 70 ms (after 100 % time delay) |
| Repetition accuracy | ≤ 0.5 % (deviation) |
| Voltage tolerance | 1.1 x Uc, AC operated max.; 0.85 x Uc, AC operated min. |