Skip to content
FREE Shipping

Orders Over $149*

*excludes chain & file bars

Request a Quote

Quantity discounts for large orders

Custom Features- Master Keyed & Engraving

610-521-4400

USA-Based Support

M-F 9AM - 4:30PM (EST)

Master Lock S3500 Group Lock Box Permit Station

MPN: S3500
$ 153.25
Most orders ship in 2 days. Expedited delivery is available.

Notify me when back in stock

The Master Lock S3500 Permit Control Station includes the S3501 Permit Display Case and the S3502 Wall Mount Group Lock Box. Permit display case holds letter-size documents and other paperwork up to 11-3/4in x 16-1/2in (297 x 420mm). A clear, impact-resistant window allows users to view and protect permit documents. Case is sealed to help prevent water damage in outdoor applications or during cleaning, and includes a carrying handle. Group lock box contains a 12-lock hand caddy and removable key cup. Includes 12 exterior lock holes for personal safety locks, plus a hole in the latch for the control lock. A clear, impact-resistant window allows users to view locks and secured key(s) inside the box.

Master Lock S3500 Group Lock Box Permit Station Features:
  • Includes permit display case and wall mount group lock box; safety padlocks sold separately.
  • 430-Grade stainless steel with heavy-duty powder coating withstands outdoor elements and is highly resistant to corrosion
  • Wall mounted for accessibility
  • Clear, impact-resistant windows for viewing permit and key(s) during lockout
  • Rubber seal on permit display case protects documents from water damage in outdoor applications or during cleaning
  • Rewritable tag provides area to communicate station-specific information
  • Group lock box has 12 numbered lock holes for personal safety locks, plus a latch hole designated for the control lock
  • Includes removable lock caddy for easy transportation of equipment locks to isolation points during lockout
  • Removable key cup in lock box to collect and maintain visibility of secured key(s) during lockout, and easy retrieval of key(s) after release of lockout
  • Replacement lock caddy (S3503), rewritable tags (PKGP44055) and key cup (PKGP50837) available separately

Product Documents

S3500 Installation Instructions

S3500 Series Brochure

Reviews