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Bimetallic Thermal Overload Relays

 
  • Thermal Overload Protection For Connecting To CA7 Series Contactor (direct or separate mounting)
Thermal Overload Protection For Connecting To CA7 Series Contactor (direct or separate mounting)

Thermal Overload Protection For Connecting To CA7 Series Contactor (direct or separate mounting)

 
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CT7N
  • Overview
  • Product Comparison
  • Specifications
  • Documentation
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  • Tips/FAQ

Overview

Sprecher + Schuh has always paid particular attention to the subject of motor protection. This concern is reflected in our CT7N line of thermal overload relays that include many standard features not available with eutectic alloy overload blocks and heater elements of the past. Choose CT7N Overloads Relays in DC applications and when monitoring variable frequency drives. And CT7N overload relays are designed to mount directly to the load side of Sprecher + Schuh CA7 Contactors.

Overload Protection

CEP7
 
CT7N
 
CT8
 
CEP9

Product Comparison

CT7N/CT8 Thermal Bimetallic
  • Ambient temperature compensation
  • Rated for DC and variable frequency drive applications up to 400 Hz
  • Optional remote reset solenoid
CEP7 Solid State Overloads
  • Current measurement based protection
  • Low energy consumption
  • Adaptive-mount expansion modules provide adjustable levels of protection
CEP9 Advanced Electronic Relay
  • Provides critical motor protection functions
  • Communication and diagnostics provide detailed logs and control from relay to motor
  • Can simplify control architecture

Specifications

Consistent And Reliable Protection

Superior Class 10 Characteristics

Protection From Single Phase Conditions

Ambient Temperature Compensation

Single Phase Applications

Selectable reset switch – manual or automatic

Remote reset solenoid option

Ideal for light industry and low critical process

  • Conveyors, Fans and Pumps
  • VFD-controlled motors
  • DC motors

Looking for more?

Find selection guidance, technical information, wiring diagrams, and dimension drawings in the E-Catalog.

E-Catalog
 

Documentation

 
Resource Resource Type Publication Number
Choosing the Right Overload Relay Brochure F-MotorProtection
Premium Efficiency Motor Protection White Paper TECH-High Efficiency Motors
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