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Siemens 3RF2255-1AC45 3-Phase Semiconductor Relay

Siemens 3RF2255-1AC45 3-Phase Semiconductor Relay

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ManufacturerSiemens
Part number3RF2255-1AC45
Type Semiconductor Relay
Phases 3-Phase
Current Rating 55 A @ 40Β°C
Load Voltage 48-600V AC
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3-Phase operation Zero-point switching 55A current rating 1200V blocking voltage Screw terminals Suitable for cooling surface mounting

The Siemens 3RF2255-1AC45 is a 3-phase semiconductor relay from the SIRIUS 3RF2 series. It is designed for switching resistive and inductive loads and offers zero-point switching for reduced electrical noise. With a rated operational current of 55A at 40Β°C and a blocking voltage of 1200V, it's suitable for demanding applications. The relay features screw terminals for secure connections and is designed for mounting on cooling surfaces.

This semiconductor relay is ideal for industrial automation, motor control, HVAC systems, and other applications requiring reliable and precise switching of three-phase loads. Its ability to handle high switching frequencies and its compact design make it a versatile component in control cabinets and machine building.

Source your Siemens 3RF2255-1AC45 from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We provide high-quality components with exceptional service, ensuring you get the parts you need to keep your operations running smoothly.

TypeSemiconductor Relay
Phases3-Phase
Current Rating55 A @ 40Β°C
Load Voltage48-600V AC
Control Voltage4-30V DC
Blocking Voltage1200V
SwitchingZero-point
TerminalsScrew
Industrial automation
Motor control
HVAC systems
Pump control
Process control
Machine building
PLC control systems Industrial control panels Motor control centers
Siemens 3RF2255-1AC45 SSR 3RF22551AC45 Siemens 3-Phase Relay
Expert tip
Requires an appropriately sized heat sink for optimal performance and to prevent overheating, especially at higher load currents.
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What are the key specifications of the Siemens 3RF2255-1AC45 semiconductor relay?
The Siemens 3RF2255-1AC45 is a 3-phase semiconductor relay with a current rating of 55A at 40Β°C. It operates with a load voltage of 48-600V AC and a control voltage of 4-30V DC. It also features a blocking voltage of 1200V and utilizes zero-point switching.