A manually operated safety control device which, when continuously activated and used in conjunction with a separate actuating control, will allow the machine to function in manual operating mode. The enabling device permits (that is, enables) the machine to run, but does not start the cycle; a separate signal is needed to start the hazardous motion.
Models with the momentary switch may be used to control a machine function, such as an inch/jog button, or a hold-to-run control. Hold-to-run control initiates and maintains machine function only as long as the manual control (actuator) is actuated.
For hold-to-run applications, both the three-position switch and the normally open momentary switch must be continually engaged to allow machine operation. If multiple individuals are exposed to the hazard, only a single individual can be in command of the hold-to-run control or other means of starting the machine function or cycle. All individuals within the hazard area must be provided their own enabling device or otherwise be safeguarded. Each enabling device must be concurrently operated before machine motion can be initiated.
- Three-position functionality (OFF-ON-OFF) as required for manual control of a machine
- Provides safety function when user either squeezes or releases the handlegrip switch
- Ergonomic design with a detented enable position (position 2)
- Terminal 1-2 and 3-4 contacts will not re-close when released from fully squeezed (position 3)
- Ideally suited for use as an enabling device for robotic cells
- Optional momentary pushbutton switch (depending on model) that can provide hold-to-run, reset, or jogging/inching functions
- Built-in strain relief and M20x1.5 conduit connection
- Meets IP65 or IP66, depending on model
- Insulated device (IEC 60947-5-1) on all models
- Design meets or exceeds:
- ANSI RIA R15.06 and ISO 10218 Robot safety standard
- ANSI B11.19 Performance Criteria for Safeguards
- ANSI NFPA 79 (2007) and IEC 60204-1 (2000) Electrical Requirements for Industrial Machines
Model Selection Guide
Use this table to find the right model for your application. Don't see the option you need? Call a Lesman sales specialist at 800-953-7626.
Description | Click for Price and Availability |
---|---|
2 N/O and 1 N/C Contacts | ED1G-L21SM-1N |
2 N/O and 1 N/C Contacts, 1 N/O momentary pushbutton | ED1G-L21SMB-1N |
2 N/O Contacts, 2 N/O momentary pushbutton | ED1G-L20MB-1N |