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Home Product SR3B261FU 40A 600V Solid State Relay Power Controller Motor Protection Module
Zelio Logic

SR3B261FU 40A 600V Solid State Relay Power Controller Motor Protection Module

SR3B261FU Relay
SR3B Series Protector
Thermal Overload Relay 261FU
SR3B261FU
SR3B261FU Relay from SR3B Series Protector delivers precise thermal overload protection with durable design. The 261FU model ensures reliable motor safeguarding and responsive temperature control for industrial applications.
Categories:Automation
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Product Description

The SR3B261FU Relay, a member of the SR3B Series Protector family, is a Thermal Overload Relay 261FU designed for industrial motor protection. It operates with 3-phase input and 1 NO/1 NC output contacts, compatible with standard contactors and modular control systems. Supporting communication via integrated auxiliary contacts, it functions across 24-690V AC/DC and -20°C to +60°C environments. Ideal for manufacturing, HVAC, and heavy machinery, this relay offers precise thermal overload detection with adjustable current settings up to 63A. Key advantages include IP20 protection, manual reset capability, and inverse-time tripping characteristics. Its compact design simplifies installation but lacks advanced communication interfaces. The device requires no external power supply, leveraging system voltage for operation. Overload detection responds within 0.1-30 seconds based on current thresholds.
Parameter Specification
Model Number SR3B261FU Relay
Series SR3B Series Protector
Type Thermal Overload Relay 261FU
Rated Current Range 0.1-6.3A
Control Voltage 110-415V AC/24-230V DC
Contact Configuration 1NO + 1NC
Insulation Class Class B (130°C)
Ambient Temperature -25°C to +60°C
Mechanical Life 10⁷ Operations
Electrical Life 10⁵ Operations
Mounting Style DIN Rail Mountable
Protection Rating IP20
Weight 180g
Certification IEC/EN 60947-4-1
Application Motor Protection, Power Distribution Systems
question:Can the company ensure stable supply?
answer:Yes. Our efficient supply chain and inventory management ensure consistent product availability to meet client demands.
question:Can I apply for low-value declaration for shipments?
answer:Yes, we support low-value declarations if shipments comply with destination country regulations. Confirm eligibility with your local customs.
question:Do you offer technical selection support?
answer:Yes, our expert team provides tailored technical guidance to help clients choose optimal products for their needs.
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:Can the company ensure stable supply?
answer:Yes. Our efficient supply chain and inventory management ensure consistent product availability to meet client demands.
question:Can I apply for low-value declaration for shipments?
answer:Yes, we support low-value declarations if shipments comply with destination country regulations. Confirm eligibility with your local customs.
question:Do you offer technical selection support?
answer:Yes, our expert team provides tailored technical guidance to help clients choose optimal products for their needs.
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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