AC Special Function Relays 5

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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)	AC Coil Release Voltage	Relay Form	AC Coil Operate Voltage	Operate Time	Electrical Life	Release Time	Insulation Resistance	Coil Power (mW)	Body Length/Diameter	Body Width	Sealing	Maximum AC Coil Current	Physical Dimension	Body Height	Maximum Contact DC Rating (R Load)	Maximum Operating Temperature	Maximum AC Contact Current	Maximum AC Coil Voltage	Minimum Operating Temperature	Maximum DC Contact Current	Termination Type	Nominal Coil Voltage	Input Switching Control Type	End Contact Material	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	Contact or Output Supply Type
84871034	Crouzet	Monitoring Relay	DIN-Rail Mount	Momentary	SPST	AC	CSA; IEC; UL	8A@250VAC				500 ms	6000 Cycle(s)	500 ms		2.55 W	3.071 in (78 mm)	22.5 in (571.5 mm)	IP20; IP50; Moisture Proof	11 mA	3.071 x 0.886 x 3.937 in (78 x 22.5 x 100 mm)	3.937 in (100 mm)		50 °C (122 °F)	8 A	230 V	-20 °C (-4 °F)		Snap-on				250 V	Coil Operate Voltage (AC): 195.5 V	250 V	AC
3-1618100-0	TE Connectivity		Panel Mount			AC																		85 °C (185 °F)	5 A	480 V	-20 °C (-4 °F)	5 A	Solder/Quick Connect
DPC01DM48	Carlo Gavazzi Holding Ag	Monitoring Relay	DIN-Rail Mount	Momentary	DPDT	AC	CE; CSA; EN; GL; UL	8A@250VAC		2 Form C			100000 Cycle(s)				3.287 in (83.5 mm)	45 in (1143 mm)	IP20		3.287 x 1.772 x 3.917 in (83.5 x 45 x 99.5 mm)	3.917 in (99.5 mm)	5A@24VDC	60 °C (140 °F)	8 A	480 V	-20 °C (-4 °F)	5 A	Snap-on		Random	Silver Tin Oxide	24 V		250 V	AC/DC
K8AK-PW2	Omron	Monitoring Relay	DIN-Rail/Panel Mount	Momentary	SPDT	AC	CCC; CE; CSA; CUL; EN; KC; UL	5A@250VAC	24 V	1 Form C	240 V		50000 Cycle(s)		20 MΩ	3.74 W	3.74 in (95 mm)	22.5 in (571.5 mm)	IP20		3.74 x 0.886 x 3.937 in (95 x 22.5 x 100 mm)	3.937 in (100 mm)	5A@30VDC	60 °C (140 °F)	5 A		-20 °C (-4 °F)	5 A	Screw and Snap-on	480 V	Random		30 V		250 V	AC/DC
K8AK-PW1	Omron	Monitoring Relay	DIN-Rail/Panel Mount	Momentary	SPDT	AC	CCC; CE; CSA; CUL; EN; KC; UL	5A@250VAC	12 V	1 Form C	240 V		50000 Cycle(s)		20 MΩ	3.74 W	3.74 in (95 mm)	22.5 in (571.5 mm)	IP20		3.74 x 0.886 x 3.937 in (95 x 22.5 x 100 mm)	3.937 in (100 mm)	5A@30VDC	60 °C (140 °F)	5 A		-20 °C (-4 °F)	5 A	Screw and Snap-on	240 V	Random		30 V		250 V	AC/DC

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.