3RM1920-1AA
The Siemens SIRIUS 3RM1920-1AA is an accessory for the 3RM1 hybrid motor starter. It is a three-phase power input (feeder) terminal block with screw connection, rated current of 16A at 480V, busbar design, and only 24x40x22mm in size, which is convenient for group power supply wiring.
Product Positioning
The 3RM1920-1AA is a dedicated accessory for the Siemens SIRIUS 3RM1 hybrid motor starter. As a three-phase power input terminal, it is used to quickly connect the main power supply to the starter array, simplifying the wiring engineering for multiple starters sharing a power supply.
Core Product Advantages and Features
Three-phase input terminal function
As the power input for the 3RM1 starter array, it can be paired with a three-phase busbar to enable parallel power supply for multiple starters.
Screw-type quick connector
The main circuit uses screw terminals, which can connect to 1.5-4mm² wires, making installation and maintenance convenient.
Ingenious motherboard design
Measuring only 24 x 40 x 22 mm, it can be installed next to the starter array without taking up extra rail space.
Rated current 16A
According to UL 508A, the rated operating current is 16A at 480V AC, which meets the power supply requirements of the 3RM1 starter group.
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