8PST Special Function Relays 6

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Part	Manufacturer	Relay Type	Mounting Feature	Relay Action	Relay Function	Coil or Input Supply Type	Reference Standard	Maximum Contact AC Rating (R Load)	Relay Form	Operate Time	Electrical Life	Release Time	Insulation Resistance	Coil Power (mW)	Packing Method	Body Length/Diameter	Body Width	Coil Resistance	Sealing	Maximum AC Coil Current	No. of Terminals	Physical Dimension	End Contact Plating	Body Height	Maximum Contact DC Rating (R Load)	Maximum Operating Temperature	Maximum AC Contact Current	Maximum DC Coil Current	Maximum AC Coil Voltage	Minimum Operating Temperature	DC Coil Release Voltage	Maximum DC Contact Current	Termination Type	Nominal Coil Voltage	DC Coil Operate Voltage	Manufacturer Series	Contact Resistance	Input Switching Control Type	End Contact Material	Maximum DC Contact Voltage	Maximum AC Contact Voltage	Terminal Length	Maximum DC Coil Voltage	Contact or Output Supply Type
SF4D-DC24V	Panasonic	Safety Relay	Through Hole-Straight Mount	Momentary	8PST	DC	CSA; SEV; SUVA; TUV; UL	6A@440VAC		30 ms	100000 Cycle(s)	15 ms		500 mW	Box	2.098 in (53.3 mm)	33 in (838.2 mm)	1.152 kΩ				2.098 x 1.299 x 0.65 in (53.3 x 33 x 16.5 mm)		0.65 in (16.5 mm)	6A@30VDC	70 °C (158 °F)	6 A	21 mA		-40 °C (-40 °F)	3.6 V	6 A	Solder		18 V					30 V	440 V		24 V	AC/DC
SF4D-DC12V	Panasonic	Safety Relay	Through Hole-Straight Mount	Momentary	8PST	DC	CSA; SEV; SUVA; TUV; UL	6A@440VAC		30 ms	100000 Cycle(s)	15 ms		500 mW	Box	2.098 in (53.3 mm)	33 in (838.2 mm)	288 Ω				2.098 x 1.299 x 0.65 in (53.3 x 33 x 16.5 mm)		0.65 in (16.5 mm)	6A@30VDC	70 °C (158 °F)	6 A	42 mA		-40 °C (-40 °F)	1.8 V	6 A	Solder		9 V	SF				30 V	440 V		12 V	AC/DC
SF4D24D	Panasonic	Safety Relay	Through Hole-Straight Mount	MBB	8PST	DC	CSA; CUL; TUV; UL	6A@440VAC	4 Form A, 4 Form B	30 ms	100000 Cycle(s)	15 ms	1 GΩ	500 mW	Box; Bulk	2.098 in (53.3 mm)	33 in (838.2 mm)	1.152 kΩ			18	2.098 x 1.299 x 0.63 in (53.3 x 33 x 16 mm)	Gold Flash	0.63 in (16 mm)	6A@30VDC	70 °C (158 °F)	6 A	21 mA		-40 °C (-40 °F)	2.4 V	6 A	Solder	24 V	18 V		30 mΩ	Random	Silver Tin Oxide	30 V	440 V	0.1181 in (3 mm)	28.8 V	AC/DC
SF4D-DC48V	Panasonic	Safety Relay	Through Hole-Straight Mount	Momentary	8PST	DC	CSA; SEV; SUVA; TUV; UL	6A@440VAC		30 ms	100000 Cycle(s)	15 ms		500 mW	Box	2.098 in (53.3 mm)	33 in (838.2 mm)	4.608 kΩ				2.098 x 1.299 x 0.65 in (53.3 x 33 x 16.5 mm)		0.65 in (16.5 mm)	6A@30VDC	70 °C (158 °F)	6 A	10 mA		-40 °C (-40 °F)	7.2 V	6 A	Solder		36 V					30 V	440 V		48 V	AC/DC
SF4D-DC5V	Panasonic	Safety Relay	Through Hole-Straight Mount	Momentary	8PST	DC	CSA; SEV; SUVA; TUV; UL	6A@440VAC		30 ms	100000 Cycle(s)	15 ms		500 mW	Box	2.098 in (53.3 mm)	33 in (838.2 mm)	50 Ω				2.098 x 1.299 x 0.65 in (53.3 x 33 x 16.5 mm)		0.65 in (16.5 mm)	6A@30VDC	70 °C (158 °F)	6 A	100 mA		-40 °C (-40 °F)	750 mV	6 A	Solder		3.75 V	SF				30 V	440 V		5 V	AC/DC
2963996	Phoenix Contact	Safety Relay	DIN-Rail Mount		8PST	AC/DC	CUL; DIN; GOST; UL; VDE			60 ms		20 ms		2.88 W	Bulk	4.508 in (114.5 mm)	45 in (1143 mm)	11 Ω	Dust Proof; IP20; IP54	210 mA		4.508 x 1.772 x 4.409 in (114.5 x 45 x 112 mm)		4.409 in (112 mm)		55 °C (131 °F)		120 mA	24 V	-20 °C (-4 °F)			Snap-on			2963996				250 V	250 V		24 V

Special Function Relays

Special function relays are a type of electrical switch that can perform a specific function based on their design and construction. They are designed for specific applications that require unique features such as high voltage or current capacity, high-speed switching, or low power consumption.

Some examples of special function relays include time delay relays, latching relays, safety relays, and solid-state relays. Time delay relays are used to control the timing of circuits or processes and can be programmed to switch on or off after a certain amount of time. Latching relays, on the other hand, require a pulse of current to switch on and remain on even after the pulse is removed until a reset pulse is applied.

Safety relays are designed to interrupt power to a machine or process when a safety interlock is activated, helping to prevent accidents or injuries. Solid-state relays use electronic components such as transistors and diodes to switch high loads and are preferred in applications that require high speed, low noise, and long life.