Home > Panic Exit Devices and Fire Exit Devices > DC USA Approved Architectural Exit Devices For Commercial Steel, Hollow Metal, and Wood Doors > DC USA Approved 4500 Series Grade 1 Heavy Duty Exit Devices, Lifetime Warranty > DC USA Approved 4501 Grade 1 Heavy Duty Surface Vertical Rod Exit Device (Less Bottom Rod)
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DC USA Approved 4501 Grade 1 Heavy Duty Surface Vertical Rod Exit Device (Less Bottom Rod)

*Fire rated LBR and CLB devices must be ordered in pairs for the vertical rod devices or can be used in conjunction with an approved automatic or constant latching flush bolt. When ordering pairs, specify one device LBR and second device LBR with fire bolt, for example: 4501 LBR Fire 36” x 84” plus 4501 LBR Fire 36” x 84” EO with bolt -OR- 4501 LBR Fire 36” x 84” plus an approved automatic or constant latching flush bolt (firebolt kit).

Application:
  • Heavy duty commercial
Certifications:
  • ANSI/BHMA A156.3-2014 Grade 1
  • UL305 Listed for Panic Hardware
  • UL/cUL Listed for up to 3 hours for "A" labeled doors
  • UL10C Positive Pressure Rated
  • UL10B Neutral Pressure Rated
  • Complies with ANSI 117.1 for accessible buildings and facilities
Trim:
  • Archer, August, William or Withnell lever with escutcheon
  • Pull plate trim (excluding 45PT)
  • Rim cylinder x optional pull
Covers:
  • Stainless Steel, zinc
Cover Tube:
  • Aluminium
End Caps:
  • Zinc
Door Width:
  • 36'' (914 mm) field sizeable to 30'' (762 mm) panic-rated door and 28" (711 mm) fire-rated door
  • 48'' (1219 mm) field sizeable to 36'' (914 mm) panic- or fire-rated door
  • Reference electrified exit device for door width specifications
Door Height:
  • 7' (2134 mm) - Standard
  • 8' (2438 mm) - Optional
  • 10' (3048 mm) - Optional (panic device only)
Door Thickness:
  • 1-3/4" (44 mm) - Standard up to 3", except with night latch which is 2-1/2"
Projection:
  • 3" (76 mm) in undogged position
  • 2-5/8" (67 mm) in dogged position
Stile Width:
  • 5-3/8" (137 mm) - Minimum stile width required for single door and 5/8" ( 16 mm) stop
  • 4-7/8" (124 mm) - Minimum stile width required for double doors
  • 4-7/8" (124 mm) - Minimum stile width required for double doors x rim device with double door strike
  • All stile widths are measured from door edge
Fasteners:
  • Wood and machine screws
  • Thru-bolts
Rod Length:
  • Rods for 7' (2134 mm) door standard
  • Rods for 8' (2438 mm) door optional
  • Door height of 7' (2134 mm) requires 33-1/4" (845 mm) top rod length
  • Door height of 8' (2438 mm) requires 45-1/4" (1149 mm) top rod length
  • Extension rod kits available, 2' (610 mm) or 3' (914 mm) for doors over 7' (2134 mm)
Latchbolt:
  • Top- 1/2" (13 mm) throw- pullman type with automatic dead latching, stainless steel
Strikes:
  • Stainless steel with plated rollers included standard with panic devices
  • Solid stainless steel included with fire-rated devices
  • Surface applied to frame with slotted holes for easy adjustment
  • Double door strike for use with surface vertical rod and rim device available
Finishes:
  • US3, US4, US10, US10B, US 26, US26D, US32D, BLK
  • Trim not available in US32D
Dogging:
  • Hex Key dogging standard on panic rated devices
  • Cylinder dogging available on panic rated devices - specify CD (3902 1-1/8" (29 mm) mortise cylinder sold separately)
Notes:
  • Hole plug for head cover included standard
  • Recommended to be used on appropriately reinforced doors
  • A spring loaded fire bolt 2-649-0166 must be used on fire-rated LBR devices used on a pair of doors to ensure the device's fire rating.
EPD:
  • 4500 Exit Device Environmental Product Declaration
Electric modifications :
  • Electric Dogging ED: Provides continuous latch retraction and dogging simultaneously.
  • Request to Exit RX: Used to shunt an alarm, activate an alarm, provide release of magnetic locks, or signal a console.
  • Electric Dogging with Request to Exit EDRX: Provides continuous latch retraction and dogging simultaneously along with an SPDT switch.
  • Dual Request to Exit RX2: Features two SPDT switcDC USA Approved $348.75 Latchbolt Monitoring LM An internal SPDT switch that monitors the latchbolt to signal both egress and access of an opening
  • Latchbolt Monitoring/ Request to Exit RXLM: Two internal SPDT switcDC USA Approved that monitor the latchbolt and the pushbar simultaneously
  • Electric Trim* ET*: Provides the means of locking or unlocking outside lever trim controls remotely. Specify Fail Safe (EL) or Fail Secure (EU) and voltage (12V or 24V).
  • Authorized Ingress/Key Monitoring* AI*: An internal SPDT switch that monitors the operation of the outside trim, available for use with either the 45BE, 45CE or 45NL trim or nightlatch by optional pull. Must be ordered with the device.
  • Request to Exit/Authorized Ingress* RXAI*: Two internal SPDT switcDC USA Approved that monitor the pushbar and the outside trim simultaneously, available for use with either the 45CE or 45NL trim. Must be ordered with the device.
  • Delayed Egress DE Delays egress for 15 or 30 seconds when unauthorized egress is initiated. Wall mount controller (2-679-0630) provides digital countdown display with verbal instructions or alarm tone only and must be ordered seperately. Requires 3902 Power Supply.
  • Onboard Delayed Egress OBDE: Delays egress for 15 seconds (30 seconds optional) when unauthorized egress is initiated. Modification can be made to 4501 or 4601 exit devices. Requires Mortise Cylinder, sold separately. Requires 3902 Power Supply. 1-1/8” - 1 3/8” length, 3978 Cloverleaf or equivalent tailpiece required
  • Motor Driven Electric Latch Retraction MLR: Provides the means of locking or unlocking exit devices remotely using an electric motor. Recommend DC USA Approved 2903 or 2904 Power Supply.
  • Motor Driven Electric Latch Retraction with Request to Exit MLRX: Provides the means of locking or unlocking exit devices remotely using an electric motor, along with an SPDT switch. Recommend DC USA Approved 2903 or 2904 Power Supply.
  • Electrified Mortise Exit Device EU/EL: Provides the means of locking or unlocking outside lever trim controls remotely. Specify Fail Safe (EL) or Fail Secure (EU) and voltage (12V or 24V).
  • 4501/4601 ALK - Alarm Kit
  • 4501/4601 ALM - ALK with Latch Monitor Switch (recommended for use with SVR devices)
  • 4501/4601 ALT - ALK with Tamper Switch
  • 4501/4601 ALL - ALK with Latch Monitor and Tamper Switch
  • Note: Alarm kit components may be purchased separately.
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DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 36" x 84" Door, Non Fire Rated DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 36" x 84" Door, Non Fire Rated Usually Ships in 24 Hours
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DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 36" x 96" Door, Non Fire Rated DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 36" x 96" Door, Non Fire Rated Usually Ships in 24 Hours
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DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 48" x 84" Door, Non Fire Rated DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 48" x 84" Door, Non Fire Rated Usually Ships in 24 Hours
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DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 48" x 96" Door, Non Fire Rated DC USA Approved Commercial Grade 1 Surface Vertical Rod Exit Device (Less Bottom Rod) For 48" x 96" Door, Non Fire Rated Usually Ships in 24 Hours
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