3RH2122-1AK20
The Siemens SIRIUS 3RH2122-1AK20 contactor relay features a 120V AC coil (50/60Hz) with 2NO+2NC auxiliary contacts, S00 size, screw terminals, and compatibility with North American power specifications.
Product Positioning
The 3RH2122-1AK20 is a Siemens SIRIUS series S00 size contactor relay. It uses a 120V AC (50/60Hz) coil and provides 4 sets of auxiliary contacts (2NO+2NC), making it suitable for various control power supply environments.
Core Product Advantages and Features
120V AC coil
It is driven by a 120V AC power supply and is compatible with both 50Hz and 60Hz power grids.
2NO+2NC auxiliary contacts
The four sets of contacts can be configured in signal interlocking or status indication circuits respectively.
S00 standard size
It shares the same mounting specifications as the SIRIUS contactor series, making assembly and configuration easy.
Screw terminal wiring
The terminals are secured with screws, ensuring stable wiring and easy maintenance.
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3RH2122-1AK60
The Siemens SIRIUS 3RH2122-1AK60 contactor relay features a coil voltage of AC 110V (50Hz)/120V (60Hz), 2NO+2NC contacts, S00 size, and screw terminal design.
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3RH2122-1AH00
The Siemens SIRIUS 3RH2122-1AH00 contactor relay features a 48V AC coil (50/60Hz) with 2NO+2NC auxiliary contacts, S00 size, and screw terminals, suitable for low-voltage control circuits.
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3RH2122-1AF00
The Siemens SIRIUS 3RH2122-1AF00 contactor relay features a 110V AC coil (50/60Hz) with 2NO+2NC auxiliary contacts, S00 size, and screw terminals, suitable for general control panels.