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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Siemens SIRIUS 3RH2122-1AH00 Contactor Relay (AC 48V 50/60Hz Coil)

Product Positioning

The 3RH2122-1AH00 is a Siemens SIRIUS series S00 size contactor relay. It uses a 48V AC (50/60Hz) coil and provides 4 sets of auxiliary contacts (2NO+2NC), making it suitable for low-voltage control systems.

Core Product Advantages and Features

48V low voltage coil

Driven by 48V AC power, suitable for low-voltage safety control circuit requirements.

2NO+2NC auxiliary contacts

The four sets of contacts can be used for signal amplification, interlocking, or status feedback.

S00 Standard Installation Dimensions

Its dimensions are compatible with the SIRIUS contactor series, facilitating panel integration.

Screw terminal wiring

The screw terminal design makes wiring construction and maintenance simple and reliable.

project	Specification
model	3RH2122-1AH00
Contact configuration	2NO+2NC (4-pole auxiliary contact)
coil voltage	AC 48V 50/60Hz
Casing size	S00
Wiring method	Screw terminals
Rated heating current Ith	10A

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