"MD2SR" Series:
330140
INSTRUCTION SHEET
Heavy Duty Single T hrow Safety Switch with Interlocked
Appleton Powertite Compatible Receptacle.
Instructions for Installation, Operation and Maintenance of
"MD2SR" Interlocked Receptacle with Switch: 30, 60 & 100
Ampere.
Class I Div. 2 Group B, C, D, T 3C
Class II Div. 1 Group F, G
NEMA Type 3, 3R, 4, 4X, 12 (Screw Cover Option)
Electrical Rating:
Compliances:
UL Listed, File No. E10784
UL 1682 Standard for Plugs, Receptacles, and Cable
Connectors of the Pin and Sleeve Type
Maximum Voltage: 600 VAC at 60 Hz, 250 VDC 30, 60 or
100 Amperes, depending on current rating of product (See
product nameplate for details).
UL 1010 - Plug Combinations for use in Hazardous Location
UL98 - Enclosed and Dead-Front Switches
UL50 - Enclosures for Electrical Equipment
UL894 - Switches for use in Hazardous Locations
NEC wire bending space, Table 373-6(8).
Read instructions carefully and with full understanding for safe installation and operation.
TABLE A - HORSEPOWER RATING:
DC
AC
VOLTS VOLTS AMPERES
250
600
30
250
600
30
250
600
60
250
600
60
250
600
100
250
600
100
FIGURE A
g.
H.P. RATING
CATALOG
SWITCH
AC
NUMBERS
TYPE
STAN DARD
MAX
MD2SR3023F
FUSED
7.5
20
MD2SR3034F
MD2SR3023U NON-FUSED
--
30
MD2SR3034U
MD2SR6023F
FUSED
15
50
MD2SR6034F
MD2SR6023U
NON-FUSED
--
50
MD2SR6034U
MD2SR1023F
FUSED
30
50
MD2SR1034F
MD2SR1023U
NON-FUSED
---
50
MD2SR1034U
STANDARD FEATURES:
• Epoxy coated finish on receptacle and disconnect switch
housing.
• Current carrying parts in housing are all plated copper,
receptacle contacts are brass.
• Lugs - front removable, standard mechanical lugs on
incoming line. Lay-in ground lug.
• Screw cover assembly provided for use on receptacle
housing, instead of flip cover assembly to meet NEMA
Type 4 and 4X environmental conditions.
Except as expressly provided by Appleton Electric, LLC
(Appleton) in writing, Appleton products are intended for ulti
mate purchase by industrial users and for operation by per
sons trained and experienced in the use and maintenance of
this equipment and not for consumers or consumer use.
Appleton warranties do not extend to, and no reseller is
authorized to extend Appleton's warranties to, any consumer.
Rev. C 07 /08/04
Page 1
