Page 1
4-1/4
[195.33]
4 PLCS
MODEL A-900 & A-901
1/4 DIN CONTROL ENCLOSURES
Weatherproof, Durable, Pre-Cut Mounting Hole
LEVEL
[107.95]
3-39/64
[91.68]
7-3/4
A-900 A-901 Top view Bottom view Side view
The Model A-900 & A-901 1/4 DIN Control Enclosures are rated weatherproof type
NEMA 4X to protect controls from dirt, dust, oil, and water. The Model A-900 comes
with a standard 1/4 DIN cutout in the front cover and the Model A-901 comes with a
clear plastic front window. Both units feature a lockable latch to prevent unauthorized
removal of the control from the enclosure.
BENEFITS/FEATURES
• Can be used outdoors with UV stabilized material
• Simple installation with berglass material, which is easily punched or drilled for
conduit connections
• Versatile units are compatible with Love
4G, and Mercoid
APPLICATIONS
• Wastewater remote pump stations
• Outdoor industrial ovens/furnaces/boilers
®
Series MPC and MPCJR
®
controls Series 2500, 2600, 4B, 4C, and
10-32 UNF-2B
TYP 8 PLCS
7-3/4
4-1/4
[107.95]
[195.33]
5
[127.51]
[127.51]
3-39/64
[91.68]
SPECIFICATIONS
Service: Indoor or outdoor.
Rating: NEMA 1, 2, 3, 3R, 4, 4X, 12 and 13.
Materials: Body: UV stabilized berglass reinforced polyester; Snap latch:
304 SS; Hinge: SS; Mounting feet and screws: 304 SS; Window: UV stabilized
polycarbonate; Cover gasket: Neoprene.
Enclosure Rating: NEMA 4X (IP66).
Control Temperature Limits: When using the enclosures with controls that have
10 A relay outputs the extra heat generation decreases the maximum ambient
temperature value that the control can be used at inside the enclosure. Other
outputs on our controls are not a concern.
Compliance: UL.
1-1/2
[38.10]
5
A-901 UNIT
[4-1/2 [114.30] STANDOFFS]
1-3/4
[44.45]
4-1/8
[106.17]
Control Enclosures
MODEL CHART
Model Description
A-900
Weatherproof enclosure, NEMA 4X, control direct panel mounts in the front
of the enclosure
A-901
Weatherproof enclosure, NEMA 4X, clear plastic window with rear panel for
mounting the control inside the enclosure
FOR MODELS: 25XX3, 26XX3, 26X3X, 26X33, MPC, MPCJR
Ambient Temperature A-900 Maximum Current A-901 Maximum Current
77°F (25°C)
104°F (40°C)
131°F (55°C)
ACCESSORIES
Model Description
A-600 R/C snubber
10 amps
10 amps
7.5 amps
10 amps
9 amps
6 amps
DWYER INSTRUMENTS, LLC | dwyer-inst.com
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