STI will be closed on Monday, September 1st. Normal business hours will resume the following day.

STI logoSafety Technology International
  1. Home|
  2. Products|
  3. NEMA Protective Cabinets|
  4. STI-7521
STI-7521-1STI-7521-2STI-7521-3STI-7521-4STI-7521-5STI-7521-6STI-7521-7STI-7521-8STI-7521-9STI-7521-10STI-7521-11STI-7521-12STI-7521-13STI-7521-14STI-7521-15STI-7521-16STI-7521-17STI-7521-18
Where to Buy

DETAILS

STI-7521

Type 4X Protective Cabinet with Backplate and Thumb Lock - Clear

  • Clear polycarbonate cover helps protect against vandalism and damage
  • Allows visibility at almost every angle
  • Exterior thumb lock
  • Includes an additional eyelet for a secondary lock or safety seal
  • Type 4X, UL/cUL Approved
  • Mounting hardware and gasket included
  • 8.875 in H x 10.875 in W x 3.625 in D

RELATED

More from

this series...

If this isn't the specific item you are looking for, explore similar models from this same product series.

Type 4X Protective Cabinet with Backplate and Key Lock - Clear

STI-7520

Type 4X Protective Cabinet with Backplate and Key Lock - Clear
Colors:
Dimensions:10.875 in H x 8.875 in W x 3.625 in D
View Details
Type 4X Protective Cabinet with Backplate and Key Lock - White

STI-7520-OW

Type 4X Protective Cabinet with Backplate and Key Lock - White
Colors:
Dimensions:8.875 in H x 10.875 in W x 3.625 in D
View Details
Type 4X Protective Cabinet with Backplate and Thumb Lock - White

STI-7521-OW

Type 4X Protective Cabinet with Backplate and Thumb Lock - White
Colors:
Dimensions:8.875 in H x 10.875 in W x 3.625 in D
View Details

MEDIA

Media

& Downloads

Videos

Youtube Video Thumbnail
Youtube Video Thumbnail

Literature

Sales Data Sheet

7520

Sales Data Sheet

7520 Spanish

Sales Data Sheet

7520 French

ACCESSORIES

Accessories

Primary Card Image

KIT-19038

Tamper Bit for KIT-81, KIT-82, KIT-84 and KIT-86
Colors:
View Details
Primary Card Image

KIT-82

1.5" Tamper-resistant Stainless Steel Screws
Colors:
View Details
Primary Card Image

KIT-H07503

Thumb Lock Assembly Kit
Colors:
View Details
Primary Card Image

KIT-H18021

3/4" Rigid Conduit Hub
Colors:
View Details
Primary Card Image

KIT-H18050

Key Lock Assembly Kit
Colors:
View Details
Primary Card Image

KIT-IP57

Anchor Pack with Mount Tabs for STI-7520 and STI-7530 series
Colors:
View Details
Primary Card Image

KIT-R04874

Back Plate Kit for STI-7520 or STI-7521 Series
Colors:
View Details
Primary Card Image

STI-HTR550T

Cabinet Heater with Fan
Colors:
View Details

FAQS

FAQs

We have answers to your frequently asked questions about STI. If you don’t find what you're looking for, please contact a friendly STI customer service representative today.