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Siemens 3RF2 Series Solid State Relay 20 A Load DIN Rail Mount 600 V Load 30V dc Control 3RF2420-1AC45
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Height | 100mm |
| Length | 90mm |
| Model | 3RF2420-1AC45 |
| IP Rating | IP20 |
| Width | 45mm |
| Mount Type | DIN Rail |
| Output type | Thyristor |
| Series | 3RF2 |
| Maximum Operating Temperature | 60°C |
| Contact Configuration | 3PNO |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Switching Function | Zero Cross Switching |
| Maximum Load Current | 20A |
| Standards/Approvals | CE, VDE, CSA, EAC, RCM, RoHS, UKCA, UL |
| Maximum Load Voltage | 600V |
| Minimum Load Voltage | 48V |
| Minimum Control Voltage | 4V dc |
| Maximum Control Voltage | 30V dc |
| Off State Leakage Current | 10mA |
Key Features
- Wide load operating voltage range from 48 V to 600 V AC.
- Load current capacity of 20 A suitable for moderate power loads.
- Utilizes zero-cross switching to reduce electrical noise and prolong device life.
- Compact DIN rail mounting ensures easy installation without special tools.
- Screw terminal connections provide secure and vibration-resistant wiring.
- IP20 rating offers finger-safe protection against medium-sized objects.
- Supports operating temperatures from -25°C to +60°C for harsh environments.
- Equipped with built-in short circuit protection to minimise electrical faults.
Product Description
Siemens 3RF2420-1AC45 Solid State Relay offers reliable control for industrial electrical devices with a 20 A load capacity and a 600 V maximum load voltage. Designed for DIN rail mounting, it facilitates quick installation in electrical panels and control systems. The device’s zero cross switching function helps in reducing electromagnetic interference by activating when the load current crosses zero volts.
Equipped with screw terminals, the unit ensures stable and vibration-proof electrical connections essential for industrial environments. An IP20 protection rating provides safety from accidental contact with internal components, making it suitable for use in general electrical installations.
This relay supports a broad operating temperature range from -25°C to 60°C, making it suitable for demanding manufacturing, HVAC, water treatment, and automation applications. Built-in short circuit protection enhances system safety by minimizing damage risks from electrical faults.
Wide load voltage range from 48 V to 600 V AC to accommodate various applications. Load current rating of 20 A for handling moderate load demands. Zero cross switching function reduces electrical noise and prolongs device life.
DIN rail installation allows for versatile and tool-free mounting. Screw terminal type provides secure electrical connections resistant to vibration. IP20 rating for finger-safe and object protection in industrial settings.
Operating temperature from -25°C to +60°C supports harsh environmental use. Built-in short circuit protection safeguards system components. Thyristor output allows for fast and efficient switching operations. Certified with CE, VDE, CSA, EAC, RCM, RoHS, UKCA, and UL standards.
Produced in Germany, this Solid State Relay is ideal for industrial, laboratory, construction, HVAC, manufacturing, and water treatment sectors requiring dependable electrical switching.
Explore more electromagnetic and automation control products by Siemens and related brands on EnvMart for your technical and industrial needs.
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Frequently Asked Questions
The maximum load current for this model is 20 A, suitable for moderate power loads.
It supports a wide load voltage range from 48 V to 600 V AC, accommodating various applications.
This unit is designed for DIN rail mounting, allowing for easy installation in electrical panels without special tools.
It operates within a temperature range of -25°C to 60°C, making it suitable for harsh environments.
It utilizes zero cross switching, which helps reduce electromagnetic interference and prolongs device life.
The relay has an IP20 rating, providing finger-safe protection against medium-sized objects.
This solid state relay features screw terminals, ensuring secure and vibration-resistant electrical connections.
The dimensions of this model are 100 mm in height, 90 mm in length, and 45 mm in width.
This unit is certified with CE, VDE, CSA, EAC, RCM, RoHS, UKCA, and UL standards.
The minimum control voltage for this model is 4 V DC, while the maximum is 30 V DC.
Yes, it is equipped with built-in short circuit protection to minimize risks from electrical faults.
This relay uses a thyristor output type for fast and efficient switching operations.
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