Appleton MD2DS Series Factory Sealed Disconnect Switches Catalog Page
DISTRIBUTION EQUIPMENT: NEC/CEC HAZARDOUS LOCATION SWITCHES
© June 2017
MD2DS Series Factory Sealed Disconnect Switches
No external seals required.
NEC — Non-Fused:
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
Class III
Class I, Zone 1, AEx de IIC, T3, IP66
NEMA 3, 3R, 4, 4X, 12
NEC — Fused:
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
Class III
Class I, Zone 2, Group IIC, T3, IP66
NEMA 3, 3R, 4, 4X, 12
Applications
• Functions as load disconnect switch or as individual motor
control switch.
Features
• Factory sealed; no external seals required.
• Available in fused and unfused versions.
• Stainless steel captive cover bolts for easy access and corrosion
resistance.
• Standard epoxy powder coating inside and outside delivers
exceptional corrosion resistance.
• Insulated, dual-color polymer operating handle clearly indicates
the switch being energized. Ergonomically designed handle
is made of high-impact polymer material for exceptional
ruggedness, durability and corrosion resistance.
• Removable hinged cover allows for ease of installation and
maintenance.
• Short circuit withstand rated to 200,000 RMS symmetrical
amperes (Class J fusing).
• Short circuit withstand rated to 10,000 RMS symmetrical
amperes (unfused).
• Use Class J fusing on fused units (fuses not included).
• Conduit entry is drilled and tapped to 1-1/2”. Reducer bushings
1-1/2”–1-1/4” and 1-1/2”–1” provided at no additional cost.
• Stainless steel key-hole mounting feet for easy installation.
• Unit is equipped with defeatable door interlock which allows
emergency access when switch is energized.
• Cover can be padlocked closed.
• Operating handle can be locked in the OFF position with
provision to lock in the ON position.
• Line side accommodates #8–#4/0 AWG copper wire.
Load side unfused accommodates #8–#4/0 AWG copper
wire. Load side 30 Amp fused accommodates #14–#6 AWG
copper wire. Load side 60 Amp fused accommodates #14–#2
AWG copper wire. Load side 100 Amp fused accommodates
#12–#2/0 AWG copper wire.
Standard Materials
• Enclosure: copperfree (4/10 of 1% max.) aluminum
• Operating handle: high impact polymer
• Hardware: stainless steel
Standard Finishes
• Enclosure : epoxy powder coating inside and outside
Options
• One normally opened, one normally closed auxiliary switch, add
sufx-AUX.
NEC Certifications and Compliances
• UL Standard: UL 98
• UL Listed: E160652
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DISTRIBUTION EQUIPMENT: NEC/CEC HAZARDOUS LOCATION SWITCHES
© June 2017
MD2DS Series Factory Sealed Disconnect Switches
No external seals required.
NEC — Non-Fused:
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
Class III
Class I, Zone 1, AEx de IIC, T3, IP66
NEMA 3, 3R, 4, 4X, 12
Operating Temperatures
Classification Fused Unfused
Class I, Division 2 T3C T3C
Class I, Zone 1 — T3
Class I, Zone 2 T3 —
Class II, Division 1 and 2 T6 T6
NEC — Fused:
Class I, Division 2, Groups B, C, D
Class II, Division 1 and 2, Groups F, G
Class III
Class I, Zone 2, Group IIC, T3, IP66
NEMA 3, 3R, 4, 4X, 12
Dimension A
Type Amps Max HP at 600 Vac
mm (in) Catalog Number
30 20 489.0 (19.25) MD2DS3034F
Fused
(fuses not included)
60 50 489.0 (19.25) MD2DS6034F
100 50 489.0 (19.25) MD2DS1034F
Non-Fused 100 50 581.2 (22.88) MD2DS1034U
Dimensions in Millimeters (Inches)
Front Side
Fuses not included in fused units. For maximum horsepower please consult fuse manufacturer.
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