ABH N3311A Surface Mount Overhead Holder Stop - Medium Duty Adjustable, Bright BrassThe ABH N3311A Surface Mount Overhead Holder Stop is expertly engineered for medium duty applications, making it an ideal solution for moderate traffic doors that require reliable stop, hold-open, and friction functions. This surface-mounted unit features a field-adjustable opening range, enabling precise control over door movement from 85° to 110° in 5° increments, accommodating various operational needs.
Constructed from durable steel and finished in a striking bright brass (US3), the N3311A combines aesthetic appeal with robust functionality. Its non-handed design allows for versatile installation, while the shock-absorbing spring provides a gentle 3° to 5° cushion before reaching a dead stop, enhancing user safety and comfort.
This model is UL fire door listed for 20-minute wood and 90-minute hollow metal door assemblies when used in the stop function, ensuring compliance with safety standards. Fasteners, including sex bolts for 1-3/4" to 1-7/8" doors, are included for straightforward installation.
For architects, contractors, and facility managers seeking a dependable overhead holder stop that balances performance and compliance, the ABH N3311A is a superior choice that meets the demands of modern commercial environments.
Surface Mount Overhead Holder and Stop - Medium Duty Adjustable, Surface Mounted Medium Duty - Hold Open, Bright Brass
Surface mount medium duty overhead stop and holder with field-adjustable opening range for moderate traffic doors requiring stop, hold-open and friction functions.
N3311A: Surface Mounted Medium Duty - Hold Open
Key Features
- Medium Duty Construction
- Field Adjustable Opening
- Shock Absorbing Spring
- Non-Handed Design
- UL Fire Door Listed
Specifications
| Model | N3311A |
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| Finish | Bright Brass |
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| Finish Code | US3 |
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| Family | 3300A / N3300A |
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| Material | Steel |
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| Finishes | US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available |
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| Functions Available | Stop, hold-open, friction |
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| Door Thickness | 1-3/4" minimum |
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| Operating Range | 85° to 110° opening (5° increments) |
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| Shock Absorption | 3° to 5° cushion before dead-stop |
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| Weight | 3 lbs. average per unit |
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| Fasteners | Sex bolts for 1-3/4" to 1-7/8" doors (included) |
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| Fire Rating | UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only). |
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Single acting doors only. For interior use on moderate traffic applications.
Features
- Field Adjustable Opening
- Shock Absorbing Spring
- UL Fire Door Listed
- Non-Handed Design
- Medium Duty Construction
Attributes
BRAND_ NAME: ABH
Door Thickness: 1-3/4" minimum
Family: 3300A / N3300A
Fasteners: Sex bolts for 1-3/4" to 1-7/8" doors (included)
Finish: Bright Brass
Finish Code: US3
Finishes: US3, US4, US9, US10, US10B, US26, US32, US32D, S1/ALPC, S2/BSPC, S3/BZPC, S4/BSPC, S5/DBPC, S8/WSPC, Custom Finishes Available
Fire Rating: UL Listed for 20-minute wood and 90-minute hollow metal door assemblies (stop function only).
Functions Available: Stop, hold-open, friction
Material: Steel
Model: N3311A
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 3 lbs. average per unit
