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SF4D-DC5V Datasheet(PDF) 1 Page - Nais(Matsushita Electric Works) |
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SF4D-DC5V Datasheet(HTML) 1 Page - Nais(Matsushita Electric Works) |
1 / 5 page 4 SF-RELAYS Double contact POLARISED, MONOSTABLE SAFETY RELAY mm inch 25.0 .984 2 Form A 2 Form B 4 Form A 4 Form B 16.5 ±0.5 .650 ±.020 53.3 ±0.3 2.098 ±.012 33 ±0.5 1.299 ±.020 16.5 ±0.5 .650 ±.020 53.3 ±0.3 2.098 ±.012 FEATURES • High contact reliability High contact reliability is achieved through the use of a double contact. • Forced operation contacts (2 Form A 2 Form B) N.O. and N.C. side contacts are connected through a card so that one interacts with the other in movement. In case of a contact welding, the other keeps a min. 0.5mm .020inch contact gap. • Independent operation contacts (4 Form A 4 Form B) There are 4 points of forced operation contacts. Each pair of contacts is free from the main armature and is independent from each other. So if a N.O. pair of contacts are welded, the other 3 N.O. contacts are not effected (operate properly) That enables to plan a circuit to detect welding or go back to the beginning condition. • Separated chamber structure (2 Form A 2 Form B, 4 Form A 4 Form B) N.O. and N.C. side contacts are put in each own space surrounded with a card and a body-separater.That prevents short circuit between contacts, which is caused by their springs welding or damaged. • High breakdown voltage 2,500 Vrms between contacts and coil • High sensitivity Realizes thin shape and high sensitivity (500 mW nominal operating power) by utilizing high-efficiency polarized magnetic circuit with 4-gap balanced armature. • Complies with safety standards Standard products are UL, CSA, TÜV and SEV certified. Comform to European standards. TÜV certified (945/EL, 178/ 88). Complies with SUVA European standard. SPECIFICATIONS Contact Coil Remarks * Specifications will vary with foreign standards certification ratings. *1 Measurement at same location as “Initial breakdown voltage” section *2 Detection current: 10mA *3 Excluding contact bounce time *4 Half-wave pulse of sine wave: 11ms; detection time: 10 µs *5 Half-wave pulse of sine wave: 6ms *6 Detection time: 10 µs *7 Refer to 6. Usage, transport and storage mentioned in NOTES Characteristics Contact arrangement 2 Form A 2 Form B 4 Form A 4 Form B Initial contact resistance, max. (By voltage drop 6 V DC 1 A) 30 m Ω Contact material Gold-flashed silver alloy Rating (resistive) Nominal switching capacity 6 A 250 V AC, 6 A 30 V DC Max. switching power 1,500 VA, 180 W Max. switching voltage 440 V AC, 30 V DC Max. carrying current 6 A Expected life (min. operations) Mechanical (at 180 cpm) 107 Electrical (at 20 cpm) 105 Nominal operating power 500 mW Contact arrangement 2 Form A 2 Form B 4 Form A 4 Form B Max. operating speed 180 cpm (at nominal voltage) Initial insulation resistance*1 Min. 1,000 M Ω at 500 V DC Initial breakdown voltage*2 Between open contacts 1,300 Vrms Between contact sets 2,500 Vrms Between contact and coil 2,500 Vrms Operate time*3 (at nominal voltage) Approx. 17 ms Approx. 18 ms Release time (without diode)*3 (at nominal voltage) Approx. 7 ms Approx. 6 ms Temperature rise (at nominal voltage) (at 20°C) Max. 45°C with nominal coil voltage and at 6 A carry current Shock resistance Functional*4 Min. 294 m/s2 {30 G} Destructive*5 Min. 980 m/s2 {100 G} Vibration resistance Functional*6 10 to 55 Hz at double amplitude of 2 mm Destructive 10 to 55 Hz at double amplitude of 2 mm Conditions for operation, transport and storage*7 (Not freezing and condensing at low temperature) Ambient temp. –40°C to +70°C –40°F to +158°F Humidity 5 to 85% R.H. Unit weight Approx. 38 g 1.34 oz Approx. 47 g 1.66 oz (pending) |
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