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Home Product TB-4M8M-3-x Thermal Cutoff Sensor Module, High Temp Protection, HVAC & Automotive Use
TB-4M8M-3-x

TB-4M8M-3-x Thermal Cutoff Sensor Module, High Temp Protection, HVAC & Automotive Use

TB-4M8M-3-x
4M8M Circuit Breaker
TB-4M8M Thermal Relay
TB-4M8M-3-x
TB-4M8M-3-x is a 4M8M Circuit Breaker integrated with TB-4M8M Thermal Relay, designed for overload and short-circuit protection in industrial electrical systems. Ensures reliable motor control and power distribution with precise current tripping and robust construction.
Categories:Automation
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Product Description

The TB-4M8M-3-x is a compact 4M8M Circuit Breaker and TB-4M8M Thermal Relay integration module designed for industrial automation systems. It features 4 input channels and 8 output interfaces, supporting direct connection to up to 12 peripheral modules. Equipped with Modbus RTU over RS-485 communication, it operates within a voltage range of 18-30V DC and functions reliably at temperatures from -20°C to +60°C. Designed for manufacturing, energy, and process control industries, this device ensures precise overload protection and thermal management. Key advantages include high fault tolerance, low power consumption, and DIN-rail compatibility. However, its configuration requires specialized software tools. The rugged housing ensures durability in harsh environments while maintaining compliance with industrial safety standards.
Parameter Specification
Model Number TB-4M8M-3-x
Component Type 4M8M Circuit Breaker with Integrated TB-4M8M Thermal Relay
Rated Operational Current 4A - 8A Adjustable
Rated Insulation Voltage 800V AC
Breaking Capacity 10kA at 400V AC
Thermal Trip Class Class 10
Mechanical Life 20,000 Operations
Electrical Life 10,000 Operations
Mounting Type DIN Rail (35mm)
Contact Configuration 3P + N
Ambient Temperature -25°C to +60°C
Protection Degree IP20
Certification UL 1077, IEC/EN 60947-2
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question:Can you share shipment photos and purchase dates for similar products?
answer:Yes, we provide shipment photos and purchase details upon request for verification.
question:Why are shipping costs high? Are there cheaper options?
answer:Shipping costs depend on carrier and urgency; contact us for discounted bulk rates or slower options.
question:What does the warranty cover?
answer:Warranty covers defects in materials/workmanship; terms vary by product and duration.
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 you share shipment photos and purchase dates for similar products?
answer:Yes, we provide shipment photos and purchase details upon request for verification.
question:Why are shipping costs high? Are there cheaper options?
answer:Shipping costs depend on carrier and urgency; contact us for discounted bulk rates or slower options.
question:What does the warranty cover?
answer:Warranty covers defects in materials/workmanship; terms vary by product and duration.
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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