ASSA ABLOY B:
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ASSA ABLOY

DC300

Rack and pinion door closer with link arm or guide rail – for single leaf doors, size 3-6 / 1-3

The DC300 rack and pinion door closer is a functional and universal solution for any door. Its modern and compact design, with a choice of finishes, is both sleek and durable and blends seamlessly into any environment. With the DC300, doors open comfortably and close securely.

  • 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

Colours

  • Silver, EV1

  • White, similar to RAL 9016

  • Brown, similar to RAL 8014

  • Black, similar to RAL 9004

  • Customized colours on request

Watch the installation video
Height-adjustable spindle Height-adjustable spindle

Height-adjustable spindle

Offers flexibility, compensates installation mistakes and enables later adjustment without cost or time delays

Independent adjustmentsIndependent adjustments

Independent adjustments

Closing and latch speeds can be raised and lowered independently, so closing performance matches the door’s use

Backcheck as standardBackcheck as standard

Backcheck as standard

Prevents the door from slamming, reducing the risk of damage to the door, frame, or surrounding area

Multiple finishesMultiple finishes

Multiple finishes

Modern, elegant design with a choice of finishes and colours ensure door closers do not disrupt any interior design

  • Features

    • 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

    Product variants

    • DC300DA with delayed closing variable from 180° to 70°, adjustable from front 
    • DC300G with guide rail G195 or G193

    Link arms, guide rails and accessories

    • L190 standard link arm
    • L191 hold-open link arm with adjustable hold-open 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)
  • Datasheet
    DC300_Datasheet(PDF, 1 MB)
    Installation instructions and drilling templates
    DC200_DC300_Drilling-template(PDF, 170 KB)
    DC200_DC300_Installation-instructions(PDF, 1 MB)
    Certificates
    DC300DA_DoP(PDF, 199 KB)
    DC300_DoP(PDF, 690 KB)
    DC300_DC300DA_EPD(PDF, 953 KB)
    Specification texts
    DC300_Specifications(DOCX, 29 KB)
    Drawings in pdf format
    DC300_Frame-installation_Non-hinge-side(PDF, 135 KB)
    DC300_Standard-installation_Hinge-side(PDF, 127 KB)
    DC300_Parallel-arm-installation(PDF, 90 KB)
    Drawings in dwg format
    DC300_Parallel-arm-installation(DWG, 362 KB)
    DC300_Frame-installation_Non-hinge-side(DWG, 525 KB)
    DC300_Standard-installation_Hinge-side(DWG, 520 KB)
  • DescriptionPart numberType
    DC300, EN size 3-6, silver, EV1DC300-----DEV1-Door closer
    DC300, EN size 3-6, white, similar to RAL 9016DC300-----D9016Door closer
    DC300, EN size 3-6, brown, similar to RAL 8014DC300-----D8014Door closer
    DC300, EN size 3-6, black, similar to RAL 9005DC300-----D9005Door closer
    DC300, EN size 3-6, customized finishDC300-----DXXXXDoor closer
    DC300DA, EN size 3-6, silver, EV1DC310-----DEV1-Door closer
    DC300DA, EN size 3-6, white, similar to RAL 9016DC310-----D9016Door closer
    DC300DA, EN size 3-6, brown, similar to RAL 8014DC310-----D8014Door closer
    DC300DA, EN size 3-6, black, similar to RAL 9005DC310-----D9005Door closer
    DC300DA, EN size 3-6, customized finishDC310-----DXXXXDoor closer
    Link arm L190, silver, EV1DCL190-----EV1-Link arm
    Link arm L190, white, similar to RAL 9016DCL190-----9016Link arm
    Link arm L190, brown, similar to RAL 9005DCL190-----8014Link arm
    Link arm L190, black, similar to RAL 8014DCL190-----9005Link arm
    Link arm L190, customized finishDCL190-----XXXXLink arm
    Hold-open link arm L191, silver, EV1DCL191-----EV1-Link arm
    Hold-open link arm L191, white, similar to RAL 9016DCL191-----9016Link arm
    Hold-open link arm L191, brown, similar to RAL 9005DCL191-----8014Link arm
    Hold-open link arm L191, black, similar to RAL 8014DCL191-----9005Link arm
    Hold-open link arm L191, customized finishDCL191-----XXXXLink arm
    Guide rail G195, silver, EV1 DCG195----DEV1-Guide rail
    Guide rail G195, white, similar to RAL 9016 DCG195----D9016Guide rail
    Guide rail G195, brown, similar to RAL 8014 DCG195----D8014Guide rail
    Guide rail G195, black, similar to RAL 9005 DCG195----D9005Guide rail
    Guide rail G195, stainless steel DCG195----D35--Guide rail
    Guide rail G195, customized finish DCG195----DXXXXGuide rail
    Guide rail G193, silver, EV1 DCG193-----EV1-Guide rail
    Guide rail G193, white, similar to RAL 9016 DCG193-----9016Guide rail
    Guide rail G193, brown, similar to RAL 8014 DCG193-----8014Guide rail
    Guide rail G193, black, similar to RAL 9005 DCG193-----9005Guide rail
    Mounting plate A120, galvanizedDCA120-------40Accessory
    Angle bracket A123, silver, EV1DCA123-----EV1-Accessory
    Angle bracket A123, white, similar to RAL 9016DCA123-----9016Accessory
    Angle bracket A123, brown, similar to RAL 8014DCA123-----8014Accessory
    Angle bracket A123, black, similar to RAL 9005DCA123-----9005Accessory
    Angle bracket A123, customized finishDCA123-----XXXXAccessory
    Parallel arm bracket A154, silver, EV1DCA154-----EV1-Accessory
    Parallel arm bracket A154, white, similar to RAL 9016DCA154-----9016Accessory
    Parallel arm bracket A154, brown, similar to RAL 8014DCA154-----8014Accessory
    Parallel arm bracket A154, black, similar to RAL 9005DCA154-----9005Accessory
    Parallel arm bracket A154, customized finishDCA154-----XXXXAccessory
    Glass door shoe A165, silver, EV1DCA165-----EV1-Accessory
    Mounting plate A168, for link arm, silver, EV1DCA168-----EV1-Accessory
    Stainless steel full cover A173DCA173-----35--Accessory
  • NameValue
    Closing forceEN size 3-6 / 1-3 (link arm / guide rail) | parallel arm EN size 2-5
    Maximum leaf width1400 / 950 mm (link arm / guide rail)
    Closing speed (S)Variable between 180° and 15°
    Latch speed (L) Variable between 15° and 0°
    Backcheck (BC)Variable above 75°
    Delayed closing (DA)Variable between 180° and 70° (only for DC300DA)
    Maximum opening angle ~180°
    Hold-open angle75°–120° (for L191)
    Door systemSingle leaf
    HandingLeft- / right-handed
    Mounting options Leaf mounting on hinge-side | Frame mounting on non-hinge side
    Force adjustment Yes
    Height adjustmentYes
    Corrosion resistanceGrade 3 (96 hours) with link arm | Grade 4 (240 hours) with guide rail
    Dimensions (H x D x L)60 x 50 x 260 mm
    Certified in compliance withEN 1154
    CE classificationLink arm: 4 | 8 | 3-6 | 1 | 1 | 3 ; Guide rail: 4 | 8 | 1-3 | 1 | 1 | 4
    CE / UKCA markYes
    Suitable for fire and smoke protection doorsYes
    Barrier-free according to CEN/TR 15894 | DIN 18040
    Third-party verified EPDISO 14025, EN 15804

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