Circuit Board Safety Relays
Reduce connection errors on circuit boards that control machine guards and other safety devices. Also known as force-guided contact relays, they have contact pairs that won’t close at the same time, even if contacts stick or weld shut. These relays take up less space on a board than those with electrical wiring because their solder pin terminals mount directly through circuit board holes. Use them to control high-power components, such as fans and heaters, from a low-power circuit.
Relays with a mechanical indicator show you whether they’re switched on or off with a flag. Peek through the window on the side to quickly check the flag’s position.
| Number of Terminals | Input Voltage  | Control Current, mA | Switching Current @ Voltage | Max. Switching Voltage | Mechanical Life Cycles | Ht. | Wd. | Dp. | Pin Lg. | Features | Each | |
2 Circuits Controlled with 2 Off (Normally Open) or 2 On (Normally Closed)—DPDT | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8 | 24V DC | 29 | 3 A @ 240 V AC/24 V DC | 250V AC, 125V DC | 10,000,000 | 1.1" | 0.5" | 1" | 0.16" | Interlocked Opposing Contacts, Mechanical Indicator | 6253N12 | 000000 |
Interface Safety Relays
These relays pair the transmission reliability of an interface relay with the fail-safe operation of a safety relay. Use them to communicate signals to devices like motors or sensors. They have interlocking contacts—also known as force-guided or mechanically linked contacts—so opposing contacts won't close at the same time. This minimizes the chance of arcing, so electricity won't jump across the contacts and interfere with your relay or system. They also have an interface that isolates input and output circuits to prevent damage from voltage spikes, reduce signal interference, and amplify signal. Mount them on 35 mm DIN rail (also known as DIN 3 rail). The relays disconnect from the socket for quick replacement.
Relays with LED indicator light up when the relay is on, so you’ll know it’s wired correctly and can tell at a glance whether it’s on or off.
Relays | Replacement Relays | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of Terminals | Input Voltage | Control Current, mA | Switching Current @ Voltage | Max. Switching Voltage | Mechanical Life Cycles | Ht. | Wd. | Dp. | Features | Each | Each | ||
2 Circuits Controlled with 1 Off (Normally Open) and 1 On (Normally Closed)—DPST-1NO/1NC | |||||||||||||
| 6 | 12V DC | 63 | 3 A @ 240 V AC/24 V DC | 250V AC, 125V DC | 10,000,000 | 1.1" | 0.5" | 1.1" | Interlocked Opposing Contacts, LED Indicator | 8722N12 | 000000 | 8722N13 | 000000 |