DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Choosing an Electrical Switch
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Push Button Safety Covers
Lock out the on/off or emergency-stop buttons on machinery to prevent accidental or unauthorized startups, such as during maintenance. Install these covers over the buttons and use a padlock to temporarily deny access to them. The locked covers let workers know the equipment is off for safety.
To comply with OSHA 29 CFR 1910.147 lockout requirements for maintaining machinery, you must cut off the electricity at the circuit in addition to disabling the push button.
Removable covers twist on and off a mounted base that fits around a button. The included labels help you identify the buttons.
Hinged covers have a door that you can flip open for access to the button when the lockout is complete. These covers fit 22 mm buttons; snap off the tabs around the mounting hole to fit 30 mm buttons.
Often used with emergency-stop buttons, crossbar covers have a bar that locks a button in the off position.
Covers | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Overall | Replacement Mounting Bases | |||||||||||
| For Panel Cutout Dia. | Dia. | Dp. | For Max. No. of Padlocks | For Max. Padlock Shackle Dia. | Label Included | Includes | Specifications Met | Choose a Color | Each | Each | ||
Plastic | ||||||||||||
| 16 mm (5/8") | 2 1/2" | 1 3/4" | 1 | 5/16" | Yes | Adhesive Backing for Mounting Base | OSHA Compliant 29 CFR 1910.147 | 0000000 | 000000 | 0000000 | 00000 | |
| 16 mm (5/8") | 2 1/2" | 3" | 1 | 5/16" | Yes | Adhesive Backing for Mounting Base | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 | 0000000 | 0000 | |
| 22 mm (7/8") | 2 1/2" | 1 3/4" | 1 | 5/16" | Yes | Adhesive Backing for Mounting Base | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 | 0000000 | 0000 | |
| 30 mm (1 3/16") | 1 7/8" | 2" | 1 | 5/16" | Yes | Adhesive Backing for Mounting Base | OSHA Compliant 29 CFR 1910.147 | 0000000 | 00000 | 0000000 | 0000 | |
Overall | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| For Panel Cutout Dia. | Wd. | Ht. | Dp. | For Max. No. of Padlocks | For Max. Padlock Shackle Dia. | Specifications Met | Color | Each | |
Plastic | |||||||||
| 22 mm, 30 mm (7/8", 1 3/16") | 1 3/4" | 1 3/4" | 1 7/8" | 1 | 5/16" | OSHA Compliant 29 CFR 1910.147 | Clear | 0000000 | 000000 |
Two-Hand Safety Switches
It takes two hands to activate these switches, minimizing the risk of accidental equipment start up. A complete system requires two switches, one safety relay, and two outlet boxes.
Switch guards protect switches against damage and accidental activation. Use one guard per switch.
For technical drawings and 3-D models, click on a part number.
| Ht. | Wd. | Dp. | Each | |
| 2" | 4 7/8" | 5 3/8" | 00000000 | 0000000 |