4PST Special Function Relays 3
| Part | RoHS | Manufacturer | Relay Type | Mounting Feature | Relay Action | Relay Function | Coil or Input Supply Type | Reference Standard | Maximum Contact AC Rating (R Load) | Dielectric Strength Between Open Contacts | AC Coil Release Voltage | Relay Form | AC Coil Operate Voltage | Operate Time | Electrical Life | Release Time | Insulation Resistance | Coil Power (mW) | Packing Method | Body Length/Diameter | Body Width | Coil Resistance | Sealing | Weight | Maximum AC Coil Current | No. of Terminals | Physical Dimension | End Contact Plating | Body Height | Dielectric Strength Between Coil & Contacts | 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 | Terminal Finish | Maximum DC Contact Current | Termination Type | Nominal Coil Voltage | DC Coil Operate Voltage | Manufacturer Series | Contact Resistance | Input Switching Control Type | End Contact Material | PCB Hole Count | Maximum DC Contact Voltage | Additional Features | Maximum AC Contact Voltage | JESD-609 Code | Terminal Length | Maximum DC Coil Voltage | Contact or Output Supply Type |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Panasonic |
Safety Relay |
Through Hole-Straight Mount |
Momentary |
4PST |
DC |
TUV; UL |
6A@250VAC |
20 ms |
100000 Cycle(s) |
20 ms |
360 mW |
Box |
1.575 in (40 mm) |
13 in (330.2 mm) |
400 Ω |
1.575 x 0.512 x 0.945 in (40 x 13 x 24 mm) |
0.945 in (24 mm) |
6A@30VDC |
85 °C (185 °F) |
6 A |
30 mA |
-40 °C (-40 °F) |
1.2 V |
6 A |
Solder |
9 V |
SF |
30 V |
250 V |
12 V |
AC/DC |
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|
|
Panasonic |
Safety Relay |
Through Hole-Straight Mount |
Momentary |
4PST |
DC |
TUV; UL |
6A@250VAC |
20 ms |
100000 Cycle(s) |
20 ms |
360 mW |
Box |
1.575 in (40 mm) |
13 in (330.2 mm) |
6.4 kΩ |
1.575 x 0.512 x 0.945 in (40 x 13 x 24 mm) |
0.945 in (24 mm) |
6A@30VDC |
85 °C (185 °F) |
6 A |
8 mA |
-40 °C (-40 °F) |
4.8 V |
6 A |
Solder |
36 V |
SF |
30 V |
250 V |
48 V |
AC/DC |
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|
|
Phoenix Contact |
Safety Relay |
DIN-Rail Mount |
Momentary |
4PST |
AC/DC |
CUL; DIN; GOST; UL; VDE |
65 ms |
45 ms |
1.56 W |
Bulk |
4.508 in (114.5 mm) |
22.5 in (571.5 mm) |
22 Ω |
Dust Proof; IP20; IP54 |
140 mA |
4.508 x 0.886 x 4.409 in (114.5 x 22.5 x 112 mm) |
4.409 in (112 mm) |
65 °C (149 °F) |
65 mA |
24 V |
-20 °C (-4 °F) |
Snap-on |
2963954 |
250 V |
250 V |
24 V |
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.