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Home Product Eaton 170M8550 M-Series Thermal Overload Relay, Motor Circuit Protector for Industrial Applications
Eaton 170M8550

Eaton 170M8550 M-Series Thermal Overload Relay, Motor Circuit Protector for Industrial Applications

Eaton 170M8550 motor protector
170M8550 thermal overload relay
Eaton motor circuit breaker 170M
Eaton 170M8550
Eaton 170M8550 motor protector combines thermal overload relay and motor circuit breaker functions, delivering reliable overload and overheating protection for motors in compact industrial applications.
Categories:Automation
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Product Description

The Eaton 170M8550 motor protector is a thermal overload relay and motor circuit breaker designed for robust industrial applications. It features a 3-pole configuration, supporting direct connection to motors with adjustable overload current settings between 0.1-100A. Operating within a voltage range of 24-690V AC and a temperature tolerance of -25°C to +70°C, it ensures reliable protection in harsh environments. Compatible with standard contactors, the 170M8550 includes an integrated trip indication and manual reset function. While lacking a screen or battery, its compact design enables seamless integration into motor control centers (MCCs) commonly used in manufacturing, HVAC, and material handling systems. Key advantages include precise thermal protection and easy installation, though it does not support advanced communication interfaces. The device offers short-circuit and overload protection with a response time under 20ms, critical for safeguarding motors in high-demand industrial operations.
Parameter Specification
Product Designation Eaton 170M8550 Motor Protector
Rated Operational Current 0.1 - 1 A (Adjustable)
Thermal Overload Tripping Range 70 - 100% of Set Current
Rated Operational Voltage 690V AC / 250V DC
Short-Circuit Protection Rating 50 kA @ 400V AC
Tripping Class 10A (Electronic) / 10 (Thermal)
Standards Compliance IEC/EN 60947-4-1
Mounting Configuration DIN Rail (35mm)
Contact Configuration 3P + 1 N/O Aux Contact
Ambient Temperature Range -25°C to +60°C
Protection Degree IP20 (Terminals IP00)
Certification Marks UL, CSA, CE, CCC
Motor Protection Functions Thermal Overload, Phase Failure, Short-Circuit
Reset Mechanism Manual/Automatic Selectable
Application Standards Eaton Motor Circuit Breaker 170M Series Requirements
question:Does the company provide technical selection services?
answer:Yes, we offer technical support to help select suitable products based on your requirements.
question:Why can other suppliers source discontinued models that you cannot provide?
answer:Availability varies by supplier sourcing channels; we prioritize genuine, reliable stock and current models.
question:What payment methods are accepted?
answer:We support TT, PayPal, and other mainstream payment methods. Details will be confirmed upon order finalization.
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 provide technical selection services?
answer:Yes, we offer technical support to help select suitable products based on your requirements.
question:Why can other suppliers source discontinued models that you cannot provide?
answer:Availability varies by supplier sourcing channels; we prioritize genuine, reliable stock and current models.
question:What payment methods are accepted?
answer:We support TT, PayPal, and other mainstream payment methods. Details will be confirmed upon order finalization.
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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