ABH N4021RA Concealed Mount Overhead Holder Stop - Medium Duty Adjustable S1 (ALPC)The ABH N4021RA Concealed Mount Overhead Holder Stop offers a robust solution for medium duty applications requiring frequent access. Designed with an internal channel slide, this innovative holder stop allows for a field-adjustable opening range of 85° to 110° in 5° increments, ensuring versatility for various door configurations. Its non-handed design simplifies installation, making it ideal for contractors and facility managers alike.
Crafted from durable steel, the N4021RA is engineered to withstand the rigors of daily use, providing reliable performance in commercial environments. It is UL Listed for use with fire door assemblies, offering compliance with safety standards for both 20-minute wood and 90-minute hollow metal door assemblies, specifically for the stop function. This ensures not only functionality but also adherence to critical fire safety regulations.
Available in a sleek S1 (ALPC) finish, the N4021RA complements a range of architectural styles and elevates the aesthetic of any space. Additional finish options, including US finishes and custom solutions, cater to diverse design preferences. With included sex bolts for installation on doors ranging from 1-3/4" to 2-1/4", the ABH N4021RA is the perfect choice for architects and contractors seeking reliability, compliance, and sophistication in door hardware.
Concealed Mount Overhead Holder and Stop - Medium Duty Adjustable, Concealed Mount Medium Duty - Stop, S1 (ALPC)
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 | S1 (ALPC) |
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| Finish Code | S1 |
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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: S1 (ALPC)
Finish Code: S1
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
