ABH N4021RA Concealed Mount Overhead Holder Stop - Medium Duty Adjustable, S3 (BZPC)The ABH N4021RA Concealed Mount Overhead Holder Stop is engineered for medium-duty applications, providing an optimal solution for environments with frequent traffic. This overhead holder features a concealed mount design, ensuring both aesthetic appeal and functional integrity. The innovative internal channel slide allows for field-adjustable opening ranges between 85° and 110°, accommodating varying operational requirements while ensuring ease of installation.
Constructed of robust steel, the N4021RA is built to withstand the rigors of everyday use, making it suitable for high-traffic areas. Its UL listing for fire door assemblies (stop function only) further enhances its reliability in critical applications, providing compliance with safety regulations for 20-minute wood and 90-minute hollow metal doors.
With a weight of just 2 lbs. per unit, the N4021RA is lightweight yet durable, and its non-handed design simplifies installation. The shock absorption mechanism offers a cushioned stop within a 3° to 5° range before reaching the dead-stop, promoting longevity and performance.
Available in a variety of finishes, including S3 (BZPC), this overhead holder complements a wide range of architectural styles, making it a versatile choice for architects, contractors, and facility managers alike.
Concealed Mount Overhead Holder and Stop - Medium Duty Adjustable, Concealed Mount Medium Duty - Stop, S3 (BZPC)
Concealed mount medium duty overhead holder and stop with internal channel slide for field-adjustable opening range, suitable for frequent traffic applications.
N4021RA: Concealed Mount Medium Duty - Stop
Key Features
- Internal Channel Slide
- Medium Duty Construction
- Field Adjustable Opening
- Concealed Mount Design
- UL Listed for Fire Door Assemblies (Stop Function Only)
Specifications
| Model | N4021RA |
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| Finish | S3 (BZPC) |
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| Finish Code | S3 |
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| Family | 4000RA / N4000RA |
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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 Configuration | Single acting only |
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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 | 2 lbs. average per unit |
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| Fasteners | Sex bolts for 1-3/4" to 2-1/4" 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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Non-handed design. Internal channel slide allows adjustable degree of opening in field.
Features
- Internal Channel Slide
- Field Adjustable Opening
- UL Listed for Fire Door Assemblies (Stop Function Only)
- Medium Duty Construction
- Concealed Mount Design
Attributes
BRAND_ NAME: ABH
Door Configuration: Single acting only
Family: 4000RA / N4000RA
Fasteners: Sex bolts for 1-3/4" to 2-1/4" doors (included)
Finish: S3 (BZPC)
Finish Code: S3
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: N4021RA
Operating Range: 85° to 110° opening (5° increments)
Shock Absorption: 3° to 5° cushion before dead-stop
Weight: 2 lbs. average per unit
