Relay Functions
Monostable relay – continuous control: When the control signal to the relay coil is removed, the relay contact returns to its rest position (normal state) with the help of a return spring. This is the most common relay type.
Bistable / latching relay – pulse control: The relay contact maintains its contact position after the control signal to the coil is removed. No return spring is present. A short pulse is enough to switch the contact position.
Switching contact: The relay contact has three terminals – common (COM), normally open (NO), and normally closed (NC). The function corresponds to an on-on switch.
Closing contact: The relay has two terminals and is normally open (NO). The contact closes when the relay coil is energized. The function corresponds to an on-off switch.
Relay Poles: A relay can have one or more poles. The number of poles indicates how many separate circuits can be controlled independently. Example: A 2-pole switching relay has two separate contacts, each with three terminals (COM, NO, NC). This results in a total of 2 × 3 = 6 contact terminals. In addition, there are 2 terminals for the relay coil. In total, the relay has 8 pins/connections.
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Relay SRD 1-pole switching 12V
Relay V23086-C1001-A403 12VDC
TE Connectivity
Relay V23079A2003B301 2-pole switching 12V
Relay Omron G5V-1 SPDT 12V 1A
Omron
Relay SRC-5VDC-SH 2-pole switching 5V
Relay G2R1AE24DC 1-p closing 24V
Omron
Relay SRD 1-pole switching 24V
Relay G5RL 1-pole switching 5VDC 16A latching
Omron
Relay Omron G5V-2 DPDT 3V 2A
Omron
Relay G5LE-1A DC5V 1-pole switching 5V
Omron
Relay RT424009 2-pole alternating 9V 8A
Relay G5RL-K 1-pole switching 12V 16A latching
Omron
Relay IM06PGR 2-p switching 12V 2A SMD
TE Connectivity
Relä HFD2 2-pol växlande 5V 3A bistabilt
Power relay for circuit board RZ03-1C4-D012-R 12V 1-pin vx 16A
TE Connectivity
Relay 832A 1-pole ending 12V 30A
Relay SMI-05VDC-SL-2C 2-pole switching 5V
Relay SMI-24VDC-SL-2C 2-pole switching 24V
Relay SRA 1-pole alternating 9V
Relay G5RL-K 1-pole switching 24V 16A latching
Omron
Relay HF140FF 2-pole alternating 12VDC 10A
Solid State Relay SSR 3-32VDC / 24-280VAC 40A
Relay Omron G5V-2 DPDT 12V 2A
Omron
Reed relay DIP-14 1-pole closing 5V 0.5A
Relay TQ2 1A 12VDC 2-pole Panasonic (NAIS)
Panasonic
Relay G2RL-1 - 1-pole switching 12V
Omron
Relay G2RL-1A-E 1-pole closing 12V
Omron
Relay V23086-C2001-A403 TWIN 12VDC Tyco
Relay G2R1AE12DC 1-p closing 12V
Omron
Relay G5RL 1-pole switching 12VDC 16A latching
Relay G5RL 1-pole switching 24VDC 16A latching
Relay Omron G5V-2 DPDT 5V 2A
Omron
Relay RTE24024 2-p switching 24V
Relay G5RL-K 1-pole switching 5V 16A latching
Omron
Relay RTE24006 2-p switching 6V 8A
TE Connectivity
Relay HFD2 2-pole alternating 12V 3A bistable
Relay G5NB-1A-E 1-pole ending 12V 3A
Omron
Relay G5NB-1A-E 1-pole ending 24V 3A
Omron
Relay Omron G5V-2 DPDT 9V 2A
Omron
Relay 1-pole switching 40A 12V
Relay V23072C1062A303 1-pole alternating 24V 10A
TE Connectivity
Relay HF115F 1-pole ending 12V 16A
Relay SRC-S-12VDC 2-pole switching 12V
Relay Omron G5V-1 SPDT 5V 1A
Omron
Relay RT424012 2-pole switching 12V 8A
TE Connectivity
Relay G6RN-1A 1-pole closing 12V
Omron
Relay G5LE-1A DC5V 1-pole closing 5V
Omron
Relay 12V DPDT SMI-12VDC-SL-2C
Relay SMI-48VDC-SL-2C 2-pole switching 48V
Relay Functions
Monostable relay – continuous control: When the control signal to the relay coil is removed, the relay contact returns to its rest position (normal state) with the help of a return spring. This is the most common relay type.
Bistable / latching relay – pulse control: The relay contact maintains its contact position after the control signal to the coil is removed. No return spring is present. A short pulse is enough to switch the contact position.
Switching contact: The relay contact has three terminals – common (COM), normally open (NO), and normally closed (NC). The function corresponds to an on-on switch.
Closing contact: The relay has two terminals and is normally open (NO). The contact closes when the relay coil is energized. The function corresponds to an on-off switch.
Relay Poles: A relay can have one or more poles. The number of poles indicates how many separate circuits can be controlled independently. Example: A 2-pole switching relay has two separate contacts, each with three terminals (COM, NO, NC). This results in a total of 2 × 3 = 6 contact terminals. In addition, there are 2 terminals for the relay coil. In total, the relay has 8 pins/connections.