Siemens 3RF2 Series Solid State Relay 70 A Load DIN Rail Mount, 460 V AC Load, 24 V DC Control 3RF2370-1BA04

Siemens 3RF2370-1BA04 3RF2 Series Solid State Relay is a high-performance relay designed for industrial automation and control applications. It can handle a maximum load current of 70 A and supports a wide range of load voltages from 48 V AC to 460 V AC. This relay uses a thyristor output type and includes zero cross switching functionality to ensure efficient load switching while minimizing electrical noise.

The device is mounted on a DIN rail and features screw terminals for fast and secure electrical connections. With an IP20 protection rating, the relay safeguards internal components from accidental contact, making it suitable for industrial panel installations.

Designed to operate reliably within temperatures ranging from -25°C to 60°C, this solid state relay is suitable for demanding environments. It has compact dimensions of 135 mm length, 45 mm width, and 100 mm height, facilitating space-saving installations.

Siemens has engineered this relay with advanced DCB technology for optimized heat transfer and includes efficient thyristors that can withstand high reverse voltage, enhancing durability and performance. The relay also carries multiple international certifications including UKCA, UL, VDE, RoHS, CE, CSA, EAC, and RCM, reflecting its compliance with global standards.

Supports a maximum load current of 70 A for heavy-duty applications. Operates with a maximum load voltage of 460 V AC and a minimum of 48 V AC. Control voltage range from 15 V DC to 24 V DC for flexible control options. Features zero cross switching function to optimize load switching and reduce electrical noise.

Compact DIN rail mount design simplifies installation and maintenance. Screw terminal connections enable quick and secure wiring. Thyristor output type provides efficient and reliable switching performance. IP20 rated enclosure protecting internal components against access to hazardous parts.

Wide operating temperature range from -25°C to 60°C ensures durability in industrial environments. Complies with UKCA, UL, VDE, RoHS, CE, CSA, EAC, and RCM standards for quality and safety assurance.

This solid state relay is ideal for use in industrial automation, manufacturing process control, HVAC systems, and electrical cabinets where reliable switching and long service life are critical. It ensures stable operation in various electrical control schemes and reduces maintenance needs compared to mechanical relays.

For further product details, installation guidelines, and certifications, refer to official Siemens technical documentation. Browse more Siemens industrial automation products on EnvMart to source reliable electrical components.

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