Eaton ZW7-290 Motor Protection Relay with transformer, 190-290A, 1N/O+1N/C.
Eaton ZW7-290 Motor Protection Relay with transformer, 190-290A, 1N/O+1N/C.
| Manufacturer part number (MPN) | ZW7-290 |
| EAN / GTIN | 4015080524489 |
| Sales unit | pcs |
| Eaton catalogue number | 052448 |
| Depth | 162.5 mm |
| Height | 97 mm |
| Width | 200.5 mm |
| Weight | 0.622 kg |
| Certifications | CE; CSA; CSA File No.: 012528; CSA-C22.2 No. 14; UL File No.: E29184; UL Category Control No.: NKCR; CSA Class No.: 3211-03; IEC/EN 60947-4-1; UL; UL 508; IEC/EN 60947; VDE 0660 |
| Catalog Notes | Rated operational current: Switch-on and switch-off conditions based on DC-13, time constant as specified. |
| Number of auxiliary contacts (change-over contacts) | 0 |
| Number of auxiliary contacts (normally closed contacts) | 1 |
| Number of auxiliary contacts (normally open contacts) | 1 |
| Number of contacts (normally closed contacts) | 1 |
| Number of contacts (normally open contacts) | 1 |
| Equipment heat dissipation, current-dependent Pvid | 7.2 W |
| Heat dissipation per pole, current-dependent Pvid | 2.4 W |
| Rated operational current for specified heat dissipation (In) | 290 A |
| Conventional thermal current Ith of auxiliary contacts (1-pole, open) | 6 A |
| Rated operational current (Ie) at AC-15, 120 V | 1.5 A |
| Rated operational current (Ie) at AC-15, 220 V, 230 V, 240 V | 1.5 A |
| Rated operational current (Ie) at AC-15, 380 V, 400 V, 415 V | 0.9 A |
| Rated operational current (Ie) at DC-13, 110 V | 0.4 A |
| Rated operational current (Ie) at DC-13, 220 V, 230 V | 0.2 A |
| Rated operational current (Ie) at DC-13, 24 V | 0.9 A |
| Rated operational current (Ie) at DC-13, 60 V | 0.75 A |
| Rated operational voltage (Ue) - max | 690 V |
| Safe isolation | 240 V AC, Between auxiliary contacts, According to EN 61140; 440 V AC, Between main circuits, According to EN 61140; 440 V AC, Between auxiliary contacts and main contacts, According to EN 61140 |
| Switching capacity (auxiliary contacts, pilot duty) | B300 at opposite polarity, AC operated (UL/CSA); R300, DC operated (UL/CSA); B600 at opposite polarity, AC operated (UL/CSA) |
| Voltage rating - max | 600 VAC |
| Features | Test/off button; Reset pushbutton manual/auto; Protection with heavy starting duty; Trip-free release |
| Ambient operating temperature - max | 50 °C |
| Ambient operating temperature - min | -25 °C |
| Ambient operating temperature (enclosed) - max | 40 °C |
| Ambient operating temperature (enclosed) - min | -25 °C |
| Class | Other |
| Climatic proofing | Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78 |
| Degree of protection | IP00 |
| Mounting method | Separate positioning; Separate mounting |
| Mounting position | As required |
| Opening diameter | 27 mm |
| Overload release current setting - max | 290 A |
| Overload release current setting - min | 190 A |
| Overvoltage category | III |
| Pollution degree | 3 |
| Product category | ZW7 current transformer-operated overload relays |
| Protection | Finger and back-of-hand proof, Protection against direct contact when actuated from front (EN 50274) |
| Rated impulse withstand voltage (Uimp) | 8000 V AC; 4000 V (auxiliary and control circuits) |
| Shock resistance | 10 g, Mechanical, Sinusoidal, Shock duration 10 ms |
| Suitable for | Branch circuits, (UL/CSA) |
| Temperature compensation | Continuous |
| Short-circuit protection | With overload relay in conjunction with a transformer as required for the contactor, Max. Fuse, Main conducting paths |
| Short-circuit protection rating | Max. 6 A gG/gL, Fuse, Auxiliary contacts |
| Screw size | M3.5, Terminal screw |
| Screwdriver size | 1 x 6 mm, Terminal screw, Control circuit cables, Standard screwdriver; 2, Terminal screw, Pozidriv screwdriver |
| Stripping length (control circuit cable) | 8 mm |
| Terminal capacity (flexible with ferrule) | 2 x (0.75 - 2.5) mm²; 1 x (0.75 - 2.5) mm² |
| Terminal capacity (solid) | 2 x (0.75 - 4) mm²; 1 x (0.75 - 4) mm² |
| Terminal capacity (solid/stranded AWG) | 2 x (18 - 14) |
| Tightening torque | 1.2 Nm, Screw terminals, Control circuit cables |
| Number of auxiliary contacts as normally open contact | 1 |
| Number of auxiliary contacts as normally closed contact | 1 |
| Type of electrical connection of main circuit | Screw connection |
| Max. rated operation voltage Ue | 690 V |
| Adjustable current range | 190–290 A |
| Reset function input | No |
| Reset function automatic | Yes |
| Reset function push-button | Yes |
| Country of origin | Germany |
| MOQ | 1 |