SF4-DC5V Panasonic Electric Works, SF4-DC5V Datasheet
SF4-DC5V
Specifications of SF4-DC5V
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SF4-DC5V Summary of contents
Page 1
... Contact arrangement 2: 2 Form A 2 Form 12, 18, 21 Form A 1 Form B 24, 36, 48 Form A 4 Form B UL/CSA, TÜV, SEV approved type is standard (SF2, SF4) TÜV approved type is standard (SF3) 258 POLARISED, MONOSTABLE SAFETY RELAY with (mechanical linked) forced contacts operation FEATURES • Forced operation contacts (2 Form A 2 Form B, 3 Form A 1 Form B) N ...
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... SF2-DC18V 18 SF2 SF2-DC21V 21 SF2-DC24V 24 SF2-DC36V 36 SF2-DC48V 48 SF2-DC60V 60 SF3-DC5V 5 SF3-DC9V 9 SF3-DC12V 12 SF3-DC18V 18 SF3 SF3-DC21V 21 SF3-DC24V 24 SF3-DC36V 36 SF3-DC48V 48 SF3-DC60V 60 SF4-DC5V 5 SF4-DC9V 9 SF4-DC12V 12 SF4-DC18V 18 SF4 SF4-DC21V 21 SF4-DC24V 24 SF4-DC36V 36 SF4-DC48V 48 SF4-DC60V 60 DIMENSIONS 1) SF2 25.0 .984 7.62 .300 Pick-up Drop-out Coil voltage, VDC voltage resistance (max.) (min ...
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... Tolerance: 0.1 ±.004 Schematic (Bottom view board pattern (Bottom view) 18-1.4 DIA. HOLES 2.54 18-.055 DIA. HOLES .100 2.54 .100 Tolerance: 0.1 ±.004 3. Ambient temperature characteristics Tested sample: SF4-DC12V Quantity 100 Drop-out voltage 50 Pick-up voltage -40 - Ambient temperature, C -50 -100 inch ...
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... SAFETY STRUCTURE OF SF RELAYS This SF relay design ensures that subsequent operations shut down and can automatically return to a safe state when the SF relay suffers overloading and other circuit abnormalities (unforeseen 1. Forced operation method (2a2b, 3a1b, 4a4b types) 2. Independent operation method (4a4b type) 3 ...
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... SF THE OPERATION OF SF RELAYS (when contacts are welded) SF relays work to maintain a normal operating state even when overloading or short-circuit currents occur also easy to include weld detection circuits and safety circuits in the design to ensure safety even if contacts weld. 1) 2a2b Type Form “b” Contact Weld If the form “ ...
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Type Form “b” Contact Weld If the form “b” contact (No. 3) welds, the armature becomes non-operational, the contact gaps at the three form “a” contacts are maintained at greater than 0.5 mm .020 No.4 No.1 No.3 No.2 ...
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SF 3) 4a4b Type Internal Contacts Weld If the internal contacts (nos and 7) weld, the armature becomes non-operational and the contact gaps of each of the four form “a” contacts are maintained at greater than 0.5 ...