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The Type 4747 Limit Switch issues an electric signal when the valve travel exceeds or falls below an adjusted limit. The signal is suitable for switching control signals, issuing visual and audible alarms, or for connection to central control or alarm systems.
Special features
Electric/inductive limit switch
Rugged aluminum or stainless steel housing
Attachment to linear actuators according to IEC 60534-6 or SAMSON integral attachment
Attachment to rotary actuators according to VDI/VDE 3845
USAGE
On/off service
Throttling service
Safety-instrumented system
ATTACHMENT TO
Linear actuator, single acting
Linear actuator, double acting
Rotary actuator, single acting
Rotary actuator, double acting
EXPLOSION PROTECTION
Without certification
Type of protection "Intrinsic safety"
Type of protection "Flameproof enclosure"
COMMUNICATION
Not required
SWITCHING ELEMENT
1x inductive
2x inductive
1x electric
2x electric
OPTIONAL SOLENOID VALVE
Not required
VALVE DIAGNOSTICS
Not required
carton
