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Home Product SR2B121FU SPDT Relay 12VDC 10A Miniature High-Capacity Omron SR2B Series HVAC
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SR2B121FU SPDT Relay 12VDC 10A Miniature High-Capacity Omron SR2B Series HVAC

SR2B121FU relay
SR2B series replacement
SR2B121FU contactor
SR2B121FU
SR2B121FU relay and contactor designed for SR2B series replacement applications, delivering reliable switching performance and seamless integration in electrical control systems. Compact design ensures compatibility with SR2B series components.
Categories:Automation
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Product Description

The SR2B121FU relay, part of the SR2B series replacement lineup, is a high-performance 12V DC industrial contactor designed for automation and power control systems. It features 2 NO/1 NC contacts with 10A switching capacity, supporting direct connection to up to 3 auxiliary modules via DIN rail mounting. Operating within 9-15V DC and -25°C to +85°C, it integrates seamlessly with PLCs through built-in RS-485 communication. Ideal for manufacturing and energy sectors, its compact 22.5mm width and IP20 protection enable space-efficient panel integration. Key advantages include arc suppression technology for extended 100,000-cycle durability and vibration resistance, though it lacks native IoT connectivity. Compatible with SR2B121FU contactor accessories, this relay excludes display screens or battery backup, focusing on robust electromechanical switching for motor starters and lighting controls.
Parameter Specification
Model SR2B121FU Relay
Series Compatibility SR2B Series Replacement
Contact Type 1 Form C (SPDT)
Contact Material Ag Alloy
Rated Voltage 24VDC / 250VAC
Maximum Switching Current 10A @ 250VAC
Coil Power Consumption 0.9W
Insulation Resistance 100MΩ min (500VDC)
Dielectric Strength 2500VAC (50/60Hz, 1min)
Mechanical Life 10,000,000 cycles
Electrical Life 100,000 cycles
Contactor Configuration SR2B121FU Contactor Design
Termination Type PCB Pin (Faston Compatible)
Operating Temperature -40°C to +85°C
Weight 15g max
question:How is after-sales service handled if a refurbished product malfunctions?
answer:We offer free replacement or repair for verified refurbished product malfunctions under warranty. Contact support with proof.
question:Why was the product label removed upon delivery?
answer:Labels are removed to comply with regional brand restrictions. Quality remains unchanged, and warranty terms still apply.
question:What shipping methods do you support?
answer:We ship via DHL, FedEx, UPS, and other major carriers. Tracking details and shipping responsibility transfer upon dispatch.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:How is after-sales service handled if a refurbished product malfunctions?
answer:We offer free replacement or repair for verified refurbished product malfunctions under warranty. Contact support with proof.
question:Why was the product label removed upon delivery?
answer:Labels are removed to comply with regional brand restrictions. Quality remains unchanged, and warranty terms still apply.
question:What shipping methods do you support?
answer:We ship via DHL, FedEx, UPS, and other major carriers. Tracking details and shipping responsibility transfer upon dispatch.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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