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Latching Relay
Mechanically Latching Relays Based on the MM Power Relay
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Quick links OMRON IA General Purpose Relays in your country.
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Latching Relays
Open Coils (with Solder Terminals)
| Type | Contact form | Relay model | Available rated voltage |
| Standard | DP | MM2K | 100/(110), 200/(220) VAC 12, 24, 48, 100/110, 200/220 VDC |
| 3P | MM3K | 100/(110), 200/(220) VAC 48, 100/110 VDC | |
| 4P | MM4K | 200/(220) VAC 12, 24, 48, 100/110, 200/220 VDC | |
| DC-switching | DP | MM2XK | 24, 100/110 VDC |
| 3P | MM3XK | 200/(220) VAC 100/110 VDC | |
| 4P | MM4XK | 100/(110) VAC 100/110 VDC | |
Open Coils (with Screw Terminals)
| Type | Contact form | Relay model | Available rated voltage |
| Standard | DP | MM2KB | 100/(110), 200/(220) VAC 12, 24, 48, 100/110 VDC |
| 3P | MM3KB | 100/(110), 200/(220) VAC 12, 48, 100/110 VDC | |
| 4P | MM4KB | 24, 100/(110), 200/(220) VAC 100/110 VDC | |
| DC-switching | DP | MM2XKB | 100/(110), 200/(220) VAC 12, 24, 48, 100/110, 200/220 VDC |
| 3P | MM3XKB | 200/(220) VAC 24, 100/110 VDC | |
| 4P | MM4XKB | 24, 48, 100/110, 125, 200/220 VDC |
Cased Coils (Plug-in Terminals)
| Type | Contact form | Relay model | Available rated voltage |
| Standard | DP | MM2KP | 6, 12, 24, 100/(110), 200/(220) VAC 12, 24, 48, 100/110, 125, 200/220 VDC |
| 3P | MM3KP | 24, 100/(110), 200/(220) VAC 6, 12, 24, 48, 100/110, 125, 200/220 VDC | |
| 4P | MM4KP | 24, 100/(110), 200/(220) VAC 6, 12, 24, 48, 100/110, 125, 200/220 VDC | |
| DC-switching | DP | MM2XKP | 24, 100/(110), 200/(220) VAC 12, 24, 48, 100/110, 125, 200/220 VDC |
| 3P | MM3XKP | 100/(110), 200/(220) VAC 24, 48, 100/110, 125, 200/220 VDC | |
| 4P | MM4XKP | 100/(110), 200/(220) VAC 6, 12, 24, 48, 100/110, 125, 200/220 VDC | |
| Conforming to auxilliary power relay specifications | 4P | MM4KP-JD | 24, 100/(110), 115, 200/(220) VAC 24, 100/110, 125, 200/220 VDC |
| Conforming to auxilliary power relay specifications for DC-switching | 4P | MM4XKP-JD | 100/(110), 115, 200/(220) VAC 24, 48, 100/110, 125, 200/220 VDC |
Accessories(Optional)
Sockets
| Relay | DIN Track/Front-connecting Socket | Back-connecting Socket |
| Screw terminals | Solder terminals | |
| MM2(X)KP | 11PFA ![]() | PL11 ![]() |
| MM3(X)KP MM4(X)KP | 14PFA | PL15 |
| MM4(X)KP-JD | 14PFA | --- |
Mounting Brackets
| Contact form | Model |
| DPDT | R99-03MM2K |
| 3PDT | R99-03MM3K |
| 4PDT | R99-03MM4K |