Slim relay bodies with DC coils
URS relays provide one changeover contact in a slim plug-in body. The five listed models differ in nominal coil voltage, coil resistance and power consumption. These are relay bodies; select the socket separately for the wiring method and control input.
| Model | Nominal coil voltage | Coil resistance, ±10% | Coil power |
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| URS105D | 5VDC | 145Ω | 0.18W |
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| URS112D | 12VDC | 845Ω | 0.18W |
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| URS124D | 24VDC | 3385Ω | 0.18W |
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| URS148D | 48VDC | 5760Ω | 0.4W |
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| URS160D | 60VDC | 9000Ω | 0.4W |
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| Coil characteristic | All five models |
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| Pull-in voltage | ≤80% of nominal coil voltage |
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| Release voltage | ≥10% of nominal coil voltage |
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| Maximum operating voltage | 120% of nominal coil voltage |
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| Operate time | <15ms |
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| Release time | <8ms |
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Contact and load characteristics
| Characteristic | All models |
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| Contact arrangement | 1 changeover contact (1CO) |
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| Contact material | Silver tin oxide alloy |
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| Maximum switching voltage | 277VAC / 30VDC |
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| Maximum switching current | 10A |
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| Maximum switching power | 2770VA / 240W |
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| Resistive load rating | 6A at 277VAC or 30VDC |
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| Motor load rating | 1/3HP at 277VAC |
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| Minimum switching load | 24V / 10mA |
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| Contact resistance | ≤100mΩ, measured at 6VDC and 1A |
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| Electrical life | >30,000 operations, 1s ON / 1s OFF, 1800 operations per hour |
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| Mechanical life | >10,000,000 operations, 300 cycles per minute, 18,000 operations per hour |
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Maximum voltage, current and power are separate limits and do not define a simultaneous load point. Apply the stated 6A resistive rating or the motor rating for the actual load.
Insulation, mechanical and environmental data
| Characteristic | All models |
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| Body dimensions | 28mm × 5mm × 15mm |
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| Weight | 5g |
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| Insulation resistance | 1000MΩ at 500VDC |
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| Dielectric withstand between contacts of the same pole | 1000VAC for 1 minute |
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| Dielectric withstand between coil and contacts | 5000VAC for 1 minute |
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| Shock resistance | 10g, half-sine pulse, 11ms |
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| Vibration resistance | 10-55Hz, 1.5mm double amplitude |
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| Ambient temperature | -40°C to +85°C |
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| Ambient humidity | 35-80%RH |
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Matching socket inputs
USS screw and push-in sockets are selected by their input circuit as well as by relay fit. A socket with an AC/DC input can use a DC-coil relay; the socket input voltage and the relay coil voltage are separate specifications.
| Relay | Socket nominal input | Screw socket | Push-in socket |
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| URS105D | 5VDC | USS-1E-5 | USS-1P-5 |
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| URS112D | 12VDC | USS-1E-5 | USS-1P-5 |
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| URS124D | 24VDC | USS-1E-5 | USS-1P-5 |
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| URS124D | 24VAC/DC | USS-1E-1 | USS-1P-1 |
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| URS148D | 48VAC/DC | USS-1E-2 | USS-1P-2 |
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| URS160D | 60VAC/DC | USS-1E-2 | USS-1P-2 |
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| URS160D | 120VAC/DC | USS-1E-3 | USS-1P-3 |
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| URS160D | 230VAC/DC | USS-1E-4 | USS-1P-4 |
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