3738-20
Electronic limit switch
PRODUCT
Limit switch
USAGE
- On/off service
- Challenging transit times
- Safety-instrumented system
- Challenging ambient conditions
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"
COMMUNICATION
- Without
CONTROL LOOP
- Without
OPTIONAL SOLENOID VALVE
- 3/2-way
- 5/2-way
- External
VALVE DIAGNOSTICS
- With
Special features
- Electronic limit switch
- Automation of on/off applications
- Compact die-cast aluminum housing
- Attachment to linear actuators according to IEC 60534-6 or SAMSON integral attachment
- Attachment to rotary actuators according to VDI/VDE 3845
- Proven operating scheme: menu-driven, on-site operation using one rotary pushbutton, display easy to read in any mounting position
- Trouble-free integration into existing systems: NAMUR contacts (DIN EN 60947-5-6), 24 V DC solenoid valve, intrinsically safe version
- Contactless, wear-free travel sensor
- Powered over a two-wire system solely by the NAMUR signal
- Automatic initialization
- Easy-to-read display with rotatable reading direction, LED for solenoid valve status
- Communication interface for convenient configuration and documentation
- Diagnostic functions: partial stroke test (PST), movement counter, operating hours counter, dead time and transit time measurement
Accessories
Options
- Version with solenoid valve (3/2- or 5/2-way)
Information
WA 284
Special Print: Control Valve Diagnostics in Safety-instrumented SystemsA Comparison of Architectures[EN][DE][NL]WA 333
Special Print: Safety in the Process Industry
[EN][DE]WA 227
Flyer: Smart Valve Monitor
Type 3738 Electronic Limit Switch
[EN][DE]WA 331
Brochure: Valve Accessories
Limit Switches · Solenoid Valves · Pneumatic Lock-up Valves · Supply Pressure Regulators · Volume Boosters · Quick Exhaust Valves · Applications
[EN][DE]WA 280
Brochure: Electronic Limit Switches for On/off Valves
[EN][DE][ES]
Support
KA 8390
Elektronischer Grenzsignalgeber Typ 3738-20
[DE]
Certificates
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