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Enclosure for 4 Controllers 16x16x8" with Front Knockout
This controller enclosure measures 16" x16" x 8" (400 x 400 x 200 mm). Different than B404020 enclosure, this enclosure comes with four 1/16 DIN knockouts on the front, and knockouts for heat sink with screw mounting holes on the top. User can remove those knockouts if needed.
The knockout on the front design will save a lot of time and effort for most users that don't have the tools/machinery to cut square holes. User may need to cut some round holes for switches and connectors. But round shaped holes are much easier to cut on the sheet metal than square holes. Four precut holes are set equal intervally on the same horizontal level. The distance from top of hole to the top of enclosure is 91mm (3.58"). The distance from left of hole to the left of enclosure is 65mm (2.56").
This box is made of powder coated, 0.060" (1.5 mm) thick steel (rated as NEMA 4), which is available in a beige color. The door comes with a lock and key. The hinges of the door are removable. It can be installed on either right or left side. Gasket and plugs are provided. The enclosure is designed to be mounted on a wall. You can directly mount it with screws or hang it on the wall with the hangers (included).
An external mounted heat sink option for 80 Amp is offered. The heat sink comes with pre-drilled and tapped mounting holes for SSR mounting. Up to 3 SSRs can be mounted. This externally mounted heat sink eliminates the venting requirement of the enclosure for internally mounted heat sink. The dimension for the heat sink is 135mm x 250mm x 30mm (5.3" x 9.9" x 1.2").
Optional DIN Rail set is offered. It includes one piece of DIN Rail, one pair of DIN Rail end caps and one set of mounting screws & nuts.
Note 1: For black enclosure with heat sink, please see
B404020-HB.
Note 2: For international buyers who are interested in this box, please
contact us for more shipping options.
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| Internal view |
Enclosure with optional 80A heat sink on the top |
Optional cover plate & gasket for top heat sink knockout are offered.
Part list:
Enclosure: 1 pc
80A heat sink (Optional): 1 pc
Soft caps: 6 pcs
Grounding sticker: 1 pc
Hanger: 4 pcs
Hanger screw and nut: 4 sets
Please click here to download hanger installation guide
This product was added to our catalog on Tuesday 05 November, 2019.
