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 Concealed Vertical Rod Exit Device
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DC USA Approved 4501 Grade 1 Heavy Duty Concealed Vertical Rod Exit Device

Application:
  • Heavy duty commercial
  • NOT recommended for single-rabbet double egress frames
  • NOT recommended for doors with inset greater than 1/8"
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 up to 10' in height
  • UL10C Positive Pressure Rated
  • UL10B Neutral Pressure Rated
  • Complies with ANSI A117.1 for accessible buildings and facilities
Trim:
  • Archer, August, William or Withnell lever with escutcheon trim
  • Rim cylinder x optional pull
Covers:
  • Stainless steel, zinc
Cover Tube:
  • Aluminum
End Caps:
  • Standard end cap (zinc)
  • OPTIONAL Flush end cap (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
Door Thickness:
  • 1-3/4" (44 mm) - Standard
Projection:
  • 3" (76 mm) in undogged postion
  • 2-5/8" (67 mm) in dogged postion
Stile Width:
  • 4" (102 mm) minimum stile width required
  • 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) and 10' (3048 mm) doors - Optional
  • Door height of 7' (2134 mm) requires 34-5/8" (879 mm) top rod length
  • Door height of 8' (2438 mm) requires 46-5/8" (1184 mm) top rod length
  • Extension rod kits available 2' (610 mm) or 3' (914 mm)
Latchbolt:
  • Top - 1/2" (13 mm) throw, pullman type with automatic dead-latching, stainless steel
  • Bottom - 1/2" (13 mm) throw, pullman type, held retracted during door swing, stainless steel
Push Bar:
  • OPTIONAL Photoluminescent push bar cover available
Strikes:
  • Stainless steel with plated rollers included standard with panic devices
  • Solid stainless steel included standard with fire-rated devices
  • Top strike mortised into frame
Finishes:
  • US3, US4, US10, US10B, US26, US26D, US32D, BLK
  • Trim not available in US32D
Dogging:
  • Hex key dogging standard on panic-rated devices
  • Cylinder dogging is available on panic-rated devices - specify "CD" (3902 mortise cylinder with standard cam sold separately)
Notes:
  • Center line prep is 40" (1016 mm)
  • If door prep elevation is lower, a longer top rod will need to be ordered
  • Recommended to be used on appropriately reinforced doors

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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