The Moeller Wiring Manual
Switching, control, visualisation
Electronic motor starters and drives
Control circuit devices
Rotary switches
Contactors and relays
Motor-protective circuit-breakers
Circuit-breakers
All about Motors
Motor protection
Selection aids
Overload relay with manual reset
Overload relays with automatic reset
Special circuitry
Frequently recurring operating cycles
Backup fuses and instantaneous releases
To what current must the overload relay be set?
When is it right for the overload relay to trip?
When does the overload relay fail to trip in good time although the motor is at risk?
What causes destruction of the overload relay?
Pick-up times
Overload capacity
Short-circuit rating of the main circuit
Short-circuit withstand strength of the auxiliary switch
Motor protection in special applications
Bridging of motor protection during starting
Individually compensated motor
Thermistor overload relay for machine protection
Temperature monitoring of electric motors
Engineering notes
Circuit documents
Power supply
Control circuit supply
Contactor markings
Direct-on-line start of three-phase motors
Direct switch-on with PKZ2 motor-protective circuit-breaker
Control circuit devices for direct-on-line start
Star-delta switching of three-phase motors
Star-delta starting with motor-protective circuit-breakers PKZ2
Control circuit devices for star-delta starting
Pole-changing motors
Motor windings
Multi-speed contactors
Multi speed switches of three-phase motors
Control circuit devices for UPDIUL multi-speed contactors
Multi speed switch with motor-protective circuit-breakers PKZ2
Three-phase current-automatic stator starters
Three-phase automatic rotor starters
Switching of capacitors
Duplex pump control
Fully automatic pump control
Off position interlock of the loads
Fully automatic main transfer switch with automatic reset
Export to the world market and to North America
Standards, formulae, tables
Index
Special circuitry such as is found in star-delta starters, individually compensated motors, current transformer-operated relays etc. may require that the relay setting deviates from the rated motor current.
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