DC300 - Surface Mounted

Rack and pinion door closer with link arm

Description:

Characteristics:

Can be used for left- and right-handed doors, door leaf or frame mounted
Height-adjustable, grooved spindle (14 mm) compensates installation mistakes
Closing and latch speeds can be raised and lowered independently
Durable, front-facing metal valves make adjustments easy and reliable
Consistent performance in a wide range of temperatures
Backcheck functionality as standard protects frame and surrounding areas (not for parallel arm installation)
Optional delayed closing allows more time for a user to pass through the door
Simplified stock management with universal parts and adaptable solutions
Certified in compliance with EN 1154, size 3-6 / 1-3 (size 2-5 with parallel arm)
Suitable for fire and smoke protection doors (not for hold-open link arm)
For single leaf doors up to 1400 / 950 mm width
Barrier-free according to DIN 18040 (max. leaf width 1250 mm) and CEN/TR 15894

Finish options

1 of 6

6 mounting options
Door closer fits door or frame mount, push or pull side – right out of the box
Height-adjustable spindle
Offers flexibility, compensates installation mistakes and enables later adjustment without cost or time delays
Independent adjustments
Closing and latch speeds can be raised and lowered independently, so closing performance matches the door’s use
Multiple finishes
Modern, elegant design with a choice of finishes and colours ensure door closers do not disrupt any interior design

ASSA ABLOY Door Closer DC300 featuring rack and pinion technology in compliance with EN 1154

Closing power adjustable, EN size 3-6, for doors up to 1400 mm wide
Closing speed, latching speed and backcheck adjustable via front facing regulating valves
Can be used with integrated concealed mounting plate, suitable for fire and smoke protection doors
CE approved
14 mm height adjustable arm system for ease of fitting
Suitable for left and right handed doors

Characteristics for special model DC300DA:

Characteristics of hold open link arm L191:

Colour:

Link arms, guide rails and accessories:

L190 standard link arm
L191 hold-open link arm with adjustable holdopen angle from 75° to 120° – can be enabled and disabled (cannot be used on fire doors)
G195 height-adjustable guide rail (2 mm) with concealed fastening screws
G193 standard guide rail with visible fastening screws
A120 mounting plate for door closer
A123 angle bracket for door closer
A154 parallel arm bracket for parallel arm installation (does not provide full closing force)
A165 glass door shoe for mounting the door closer on a solid glass door
A168 mounting plate for link arm
A173 stainless steel full cover
A152 mechanical hold-open device with adjustable hold-open force, keeps doors open at an angle between 80° and 130° (not approved for use on fire and smoke protection doors)
A153 mechanical opening damper, continuously adjustable up to an opening angle of max. 130° (does not replace door stop)

Name	Value
Closing force	EN 3-6
Door width up to	1400 mm
Suitable for fire doors	Yes
Handing	Left / right handed
Closing speed	Variable between 180°-15°
Latching speed	Variable between 15°-0°
Backcheck	Variable above 75°
Delayed closing	No
Hold-open mode (with hold-open link arm L191)	Adjustable 75°-150°, can be enabled and disabled
Weight	1.9 kg
Height	60 mm
Depth	50 mm
Length	260 mm
Certified in compliance with	EN 1154
CE marking for building products	Yes