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Home Product SR2E121B SPDT 12VDC Power Relay 30A High-Current Switching for HVAC Automotive Circuits
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SR2E121B SPDT 12VDC Power Relay 30A High-Current Switching for HVAC Automotive Circuits

Omron SR2E121B Relay
SR2E Power Relay
G2R Series Relay
SR2E121B
Omron SR2E121B Relay is a versatile SR2E Power Relay within the G2R Series, offering robust 16A switching capacity at 250VAC. Designed for industrial automation, HVAC systems, and power control applications, it features high reliability, compact design, and UL/CSA certifications. Ideal for demanding electrical environments requiring durable performance and safe operation.
Categories:Automation
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Product Description

The Omron SR2E121B Relay, part of the SR2E Power Relay family within the G2R Series Relay lineup, is designed for robust power switching in industrial applications. It features a single-pole double-throw (SPDT) contact configuration, supporting 1 input and 2 output circuits, with a maximum switching capacity of 5A at 250VAC or 30VDC. This relay operates with a 12VDC coil voltage, compatible within a 10-15% tolerance range, and functions reliably across a temperature range of -40°C to +70°C. It is ideal for automation systems, motor controls, and power distribution units due to its compact design, high dielectric strength, and resistance to shock/vibration. The SR2E121B lacks integrated communication interfaces or display screens, focusing on direct module connectivity for seamless integration into control panels. Its key advantages include long electrical life (100,000 operations) and silver alloy contacts for low resistance, though it lacks advanced features like programmability. Battery capacity, screen size, and detection distance are not applicable, as it is a standalone electromechanical component. This relay is widely used in manufacturing, energy, and machinery sectors for reliable circuit control.
Parameter Specification
Model Series Omron G2R Series Relay
Contact Configuration 1 Form C (SPDT)
Coil Voltage 24V DC
Contact Rating 5A 250V AC / 5A 30V DC
Max Switching Power 1,250VA (AC) / 150W (DC)
Electrical Life 100,000 cycles (rated load)
Mechanical Life 10,000,000 cycles
Insulation Resistance 1,000MΩ min (500V DC)
Dielectric Strength 2,000V AC (1min, contacts to coil)
Operate Time 15ms max (at rated voltage)
Release Time 5ms max (at rated voltage)
Temperature Range -40°C to +70°C
Weight Approx. 15g
Safety Standards UL/CSA/CQC Certified
question:Does the company have a professional product selection team?
answer:Yes, our expert team analyzes market trends to curate optimal products for diverse client needs.
question:Why were the product labels removed upon delivery?
answer:Label removal may occur during customs inspections. Contact us immediately for resolution.
question:Are there cheaper shipping options available?
answer:Costs vary by size and destination. We negotiate competitive rates and offer tailored solutions.
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:Does the company have a professional product selection team?
answer:Yes, our expert team analyzes market trends to curate optimal products for diverse client needs.
question:Why were the product labels removed upon delivery?
answer:Label removal may occur during customs inspections. Contact us immediately for resolution.
question:Are there cheaper shipping options available?
answer:Costs vary by size and destination. We negotiate competitive rates and offer tailored solutions.
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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