Panasonic safety relay SF4D-DC18V 18 VDC 4 NO 4 NC
- Schirmer item number
- 1975
- Manufacturer
- Panasonic
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Product details & specifications
The SF4D-DC18V is a polarised monostable safety relay with forcibly guided twin contacts in a configuration of four NO and four NC contacts. The contacts are made of AgSnO2 with gold plating and the coil is rated at 18 VDC.
General
| Manufacturer | Panasonic |
|---|---|
| Type / model | SF4D-DC18V |
| Article number | 1975 |
| Series | SF4D |
Technical data
| Design | polarised, monostable, forcibly guided twin contacts |
|---|---|
| Contact configuration | 4 NO + 4 NC (4a4b) |
| Contact material | AgSnO2 with gold plating |
| Contact resistance | 30 mOhm (initial value at 6 VDC, 1 A) |
| Switching capacity | 6 A 250 V AC15 / 3 A 24 V DC13 |
| Max. switching voltage | 400 V |
| Min. switching voltage / current | 10 V / 10 mA |
| Rated coil voltage | 18 VDC |
| Must operate voltage | 13.5 VDC |
| Must release voltage | 2.7 VDC |
| Coil resistance | 648 Ohm (±10 %, 20 °C) |
| Coil power consumption | 500 mW (operate power 280 mW) |
| Operate / release / bounce time | 18.5 / 7.5 / 3 ms |
| Mechanical life | 10^7 operations |
| Dielectric strength | 2500 Vrms (open contact, contact to contact, contact to coil) |
| Ambient temperature | -40 °C to +70 °C |
| Degree of protection | IP67 (vent hole open IP30) |
| Dimensions | 53.3 x 33 x 16.5 mm |
| Weight | approx. 47 g |
| Standards | IEC 61810-3 Type B, IEC/EN 60335-1 (GWT) |