ABH N3312A Surface Mount Overhead Holder Stop - Medium Duty Adjustable, Bright BronzeThe ABH N3312A Surface Mount Overhead Holder Stop is expertly designed for moderate traffic applications, offering essential stop, hold-open, and friction functions. This medium-duty adjustable unit is ideal for single-acting doors, ensuring reliability and performance in a variety of environments.
Constructed from durable steel, the N3312A features a bright bronze finish (US9) that enhances both aesthetics and longevity. Its non-handed design allows for versatile installation on doors with a minimum thickness of 1-3/4 inches. The shock-absorbing spring provides a 3° to 5° cushion before reaching the dead stop, ensuring doors close gently and safely.
This overhead holder stop is UL Fire Door Listed, suitable for 20-minute wood and 90-minute hollow metal door assemblies when used solely as a stop function. The field-adjustable opening range allows for precise control, accommodating angles between 85° to 110° in 5° increments.
Included with the unit are sex bolts for easy installation on doors ranging from 1-3/4 inches to 1-7/8 inches thick. The N3312A combines functionality with robust construction, making it a reliable choice for architects, contractors, and facility managers looking to enhance door operations in commercial spaces.
Surface Mount Overhead Holder and Stop - Medium Duty Adjustable, Surface Mounted Medium Duty - Hold Open, Bright Bronze
Surface mount medium duty overhead stop and holder with field-adjustable opening range for moderate traffic doors requiring stop, hold-open and friction functions.
N3312A: 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 | N3312A |
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| Finish | Bright Bronze |
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| Finish Code | US9 |
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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 Bronze
Finish Code: US9
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: N3312A
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 3 lbs. average per unit
