Hubbell CR User Manual

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10 
On / Off Control Switch 
A built-in non-fused On/Off disconnect switch may be supplied with the control panel to decrease the 
risk of injury when working with the control panel. 
 
Built-In Circuit Breaker 
A built-in circuit breaker may be provided with or without shunt 
trip protection for protection from circuit overload. 
 
 
 
 
 
 
 
 
 
 
 
Audible Alarm 
An audible alarm may be installed on the outside of the control panel to give warning of an over-
temperature condition. 
 
 
 
Building Management System (BMS) 
A Building Management System control package may be supplied for remote operation and alarm 
capabilities. 
 
Status Indicating Lamp(s) 
Optional status indicating lamps may be installed to show when the unit is on, when the heating 
element is energized, or if there is an alarm condition.