Surface mount medium duty overhead stop and holder with field-adjustable opening range for moderate traffic doors requiring stop, hold-open and friction functions.
Key Features
- Medium Duty Construction
- Field Adjustable Opening
- Shock Absorbing Spring
- Non-Handed Design
- UL Fire Door Listed
Additional Information
Single acting doors only. For interior use on moderate traffic applications.
Technical Specifications
| Model Numbers | 3311A/N3311A, 3312A/N3312A, 3313A/N3313A, 3321A/N3321A, 3322A/N3322A, 3323A/N3323A, 3331A/N3331A, 3332A/N3332A, 3333A/N3333A |
| Material | Steel |
| Finishes | US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available |
| Functions Available | Stop, hold-open, friction |
| Door Thickness | 1-3/4" minimum |
| Operating Range | 85° to 110° opening (5° increments) |
| Shock Absorption | 3° to 5° cushion before dead-stop |
| Weight | 3 lbs. average per unit |
| Fasteners | Sex bolts for 1-3/4" to 1-7/8" doors (included) |
| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
Available Options
- N – Stainless steel and non-ferrous material
- CL – For Use with Cam Lift Hinges
- LL-Surface – Lead-Lined Cover (Half Surface & Full Surface - Door Leaf Only)
- LS – Less Spring
- SEC – Security Fasteners Provided for All Exposed Fasteners - Pivot Set (Specify door & frame material)
- T – Threaded Pivot Screw & Nylon Washer in Lieu of Jamb Bracket
- THICK – Special Door Thickness
- 44443 – Angle Jamb Brackets for 3300A & 4400 Series (Specify Finish)
- 4000F-KIT – Friction Conversion Kit for 4000, 4400 & 3300A Series
- 4000HO-KIT – Hold Open Conversion Kit for 4000, 4400 & 3300A Series
- N4000-KIT – Friction Conversion Kit for N4000, N4400 & N3300A Series
- N4000HO-KIT – Hold Open Conversion Kit for N4000, N4400 & N3300A Series
- 4000JF – Jamb Bracket Filler/Shim for 3300A, 4000 & 4400 – 3/16" Thick (Specify Finish)
Documents & Spec Sheets
Cut Sheets
- 3300A N3300A Cut Sheet (PDF)
Templates
- 3300A Series Surface Mount, Medium Duty, Adjustable Template (PDF)
- "LS" Less Spring Option Overhead Holders & Stops Template (PDF)
- 1000 1000A 3300A 4000 4400 9000 9000A Friction Conversion Kit Template (PDF)
- "T" Option Threaded Pivot Screw & Nylon Washer in Lieu of Jamb Bracket Template (PDF)
- 3300A 4400 Hold Open Conversion Kit and Tension Adjustment Template (PDF)
- 44443 Angle Jamb Bracket for 4400 & 3300A Series Template (PDF)
Installation & Technical Information
- Overhead Holders & Stops - Surface With Blade Stops (PDF)
- Overhead Holders & Stops - Lead Lining (PDF)
- T-CC Overhead Stop & Holder (PDF)
- Overhead Holders & Stops Compatibility Chart (PDF)
Product Literature
- Cross Reference 2025 (PDF)
Order Forms