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SentrySafe 4-Drawer 21" Deep 1-Hour Rated Fireproof File Cabinet, Letter & Legal

Brand: SentryPart# 4B2100


Your Price:  $1,199.00
Reg. Price: $1,540.00
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Availability Ships in 3 - 5 Business Days
Condition New
Warranty 3-Year Manufacturer Warranty
Shipping Cost Handling Options Explained

Quick Overview

The SentrySafe 4B2100 4-drawer vertical fire, water and explosion rated letter fireproof file cabinet features both a 1-hour UL 350 fire certification and an ETL certification. Fireproof filing cabinet comes standard with a tubular-style privacy key lock and is capable of letter and legal filing (side-by-side).

Product Description

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The SentrySafe 4B2100 4-drawer vertical fireproof file cabinet features 1-hour fire resistance (UL Class 350 Certified) meaning that the internal temperature of the cabinet will not exceed 350° for one hour (paper ignites at around 480°). ETL certified fire protection for digital media such as flash drives, CDs, and portable hard drives. Comes with a tubular-style privacy key lock (non-upgradeable). Stores letter and legal (side-by-side) file folders.


  • Weight: 334 lbs.
  • External Dimensions: 55.5" High x 18.25" Wide x 21" Deep
  • Internal Drawer Dimensions: 10.2" High x 12" Wide x 15" Deep
  • Total Internal Capacity: 4.16 cu. ft.
  • Filing: Letter & Legal (side-by-side)

UL Ratings & Tests


1-Hour UL Rated Explosion Test UL Impact Media Protection High-Security Water Resistance
SentrySafe 4B2100 - Fire Rating SentrySafe 4B2100 - Explosion SentrySafe 4B2100 - Impact SentrySafe 4B2100 - Media Protection SentrySafe 4B2100 - Lock SentrySafe 4B2100 - Water Resistance

  • Underwriters Laboratories® (UL) Fire Rating
    This SentrySafe cabinet has met Underwriters Laboratories stringent requirements for the classification of "Record Protection Equipment." This includes a test for fire-resistance in external temperatures exceeding 1700°F for 1 hour and a 2000°F explosion hazard test. The duration and maximum temperature of a fire in a building compartment depends on several factors and the cabinet may protect the contents for a longer period of time.
  • Insulation
    Only Sentry's premium Insulite™ insulating composite material, in conjunction with superior manufacturing processes provides unparalleled protection against fire. Insulite, which is poured into the cavity between the steel outer wrapper, and the individual inner steel drawer jackets, enables the Sentry design to maintain the same protection with less weight and wall thickness than competing brands.
  • ETL Water Protection
    Fireproof cabinet is designed to ensure that water from sprinklers do not damage documents in the event of a fire.
  • ETL Digital Media Protection
    ETL certified for the protection of USB drives, CDs, DVDs & portable hard drives. Not certified to protect tape media or film.
  • Drawer Lock
    The Sentry 4B2100 comes with a tubular style privacy key lock (non-upgradeable). Top drawer locks all four drawers.

SentrySafe's Fire Protection


SentrySafe 4B2100 1-Hour Rated Fireproof File Cabinet

All fire resistant insulation requires some form of water to prevent the spread of fire. Sentry's trademarked air-dried insulating composite, Insulite™, features water that is chemically bound such that no free water exists. Competitors' oven-dried insulations have trace amounts of free water, which can evaporate over time and cause fire resistance and protection to degrade. Insulite™ contains no asbestos, and never dries out or loses its protective ability over time.


  • Drawer Filing Flexibility
    Each Sentry vertical drawer body allows for the flexibility of accommodating A-2, folio, letter, or legal filing (side-by-side only), without the necessity or expense of additional parts or accessories. Two hanger bars per drawer are included.
  • 25% Lighter
    The innovative, new 4B2100 fireproof filing cabinet is 25% lighter than standard 4-drawer fire files, allowing for greater flexibility in office layouts.
  • Drawer Suspensions
    Sturdy and free-rolling, encased by a supportive outer track. This rugged suspension cradles each drawer allowing for smooth operation over the life of the file.
  • Anti-tip Mechanism
    This fireproof file cabinet features an anti-tip mechanism designed to maintain weight distribution to prevent potential collapses and/or damage of file contents. When one drawer is opened, the safety device automatically locks the others so that they cannot open at the same time.
  • Drawer Heads
    Formed out of a single piece of steel, interlocked and welded at the corners, then poured with our premium Insulite™ insulation. The Sentry design, with interlocking drawer joints where the drawer head, the outer wrapper and the steel inner drawer vault meet, provides unsurpassed protection from fire.
  • Recessed Handles with Label Holders
    Only Sentry's recessed handle design provides easily viewed angled label holders without sacrificing fire resistance, or requiring additional clearance for the front of the file.
  • Finish
    Sentry's smooth, glossy finish gives the Sentry file a scratch, scuff and stain resistant surface, similar to that found on an upscale automobile.
  • Made in the USA

Additional Information

Name SentrySafe 4-Drawer 21" Deep 1-Hour Rated Fireproof File Cabinet, Letter & Legal
Manufacturer Part Number 4B2100
Model 4B2100
Manufacturer Sentry
Product Weight 334
Warranty 3-Year Manufacturer Warranty
Price $1,199.00
Color Options Black, Putty
Number of Drawers 4 Drawers
Cabinet Depth 21" Deep
Document Size Letter
Explosion Certified Yes
Default Lock Type Privacy Key Lock

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