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Relays

Class 7001 Type K Relays

By Electric Controller and Manufacturing Company  
Type K relay are built to withstand severe service. They are recommended for use on heavy industrial DC drives such as cranes and mill auxiliaries

Class 7001 Type SSI DC Acceleration Module

By Electric Controller and Manufacturing Company  
The SSI accelerating modules are recommended for use in DC motor circuits and are used to control the closure of the accelerating contactors. They are frequently used on DC crane control and mill auxiliary control panels

Class 7001 Type ST-1 Static Timer

By Electric Controller and Manufacturing Company  
Static Timers are used to control closure of accelerating contactors on DC crane and mill auxiliary control panels

Class 8501 Type SZF Relay

By Electric Controller and Manufacturing Company  
The Static Frequency Sensitive (SZF) relays are recommended for use in AC wound rotor motor circuits to monitor motor frequency and operate an output relay at a specific programmed frequency. They are used on AC crane control panels

Class 9055 Magnetic Current Relay

By Electric Controller and Manufacturing Company  
They are designed to have a low resistance and impedance relative to most motor and load circuits such that they can be placed in series with loads without noticeably dropping the load voltage, or affecting load current
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