Object insertion/separation sensing apparatus
Obstacle detector system including an improved connection assemb
Off locking in-line trigger switch
Offset float switch
Offset paddle actuator for push-rod switch
Offset pivot ground switch
Oil circuit-breaker pump-assembly with improved shunting contact
Oil level regulator and shut-down device for stationary engines
Oil pressure switch
Oil pressure switch having improved diaphragm seal
Oil-insulated switch
Omni-directional inertia switching device
Omnidirectional changeover switch
Omnidirectional inertia switch
Omnidirectional microscale impact switch
Omnidirectional response cable switch
Omnidirectional tilt and vibration sensor
On switch with separate off release actuator
On-line switch having water-proof protection
On-load tap changer