Energy Guide

© 2019 Schneider Electric
All Rights Reserved
3-13
www.se.com/us
Special Applications Heavy Duty Safety Switches
Class 3110 / Refer to Catalog 3100CT1602
Krydon
TM
Enclosures—NEMA Type 4X
H361DX
Krydon enclosures are compression molded of fiberglass reinforced polyester, specially
formulated to withstand attack from almost any corrosive atmosphere found in the
toughest industrial application. Switches are furnished with watertight hubs and
equipment grounding lugs. See CAD drawing of the switch to verify the UL listed short
circuit current rating or the enclosed safety switch catalog. UL Listed.
Table 3.20: Krydon
TM
Enclosures NEMA Type 4X 3 Pole 600 Vac, 600 Vdc
Amperes
Cat. No.
Solid Neutral
Assembly Kit
Class R Fuse
Kits
Electrical Interlock Kits
Field-Installed Cat. No.
Horsepower Ratings–
Hubs [40]
480 Vac [41] 600 Vac [41] 600 Vdc [42]
Cat. No.
1 NO/1 NC
Contact
2 NO/2
NC Contacts
Std. Max. Std. Max. Max.
Fusible—3P, 600 Vac, 600 Vdc
 30 H361DX H60SN RFK06 9999TC10 9999TC20  5 15 7-1/2 20 15 3/4
 60 H362DX H60SN RFK06H 9999TC10 9999TC20 15 30 15  50 30 1-1/4
100 H363DX SN0610 RFK10 9999TC10 9999TC20 25 60 30  75 50 2
Non-Fusible—3P, 600 Vac, 600 Vdc
 30 HU361DX H60SN 9999TC10 9999TC20 20  30 15 3/4
 60 HU362DX H60SN 9999TC10 9999TC20 50  60 30 1-1/4
100 HU363DX SN0610 9999TC10 9999TC20 75 75 50 2
NEMA Type 7 and 9
H60XFA
An enclosed automatic molded case switch for use in Divisions 1 and 2 of the following:
Class I, Groups C and D; Class II, Groups E, F and G; or Class III, Hazardous Locations
as defined in NEC
TM
Article 500. Furnished with threaded conduit openings in both top
and bottom endwall. Suitable for use as service equipment and listed as “Raintight’’ for
outdoor applications. cULus Listed. Equipment grounding lugs supplied as standard. See
CAD drawing of the switch to verify the UL listed short circuit current rating or the
enclosed safety switch catalog.
Table 3.21: NEMA Type 7/9, 3 Pole Molded Case Switch, 600 Vac, 250 Vdc
[43], Short
Circuit Current Rating 10 kA AIR
Amperes
Enclosed Molded
Case Switch [44]
Solid Neutral
Assembly
Horsepower Ratings—3Ø
Size of Threaded
Conduit
Openings
Provided (in.) [45]
Cat. No. Cat. No. 240 Vac 480 Vac 600 Vac
 60 H60XFA 100SNA 15 30 50 3/4
 60
H60XFA1212 [46]
100SNA 15 30 50 3/4
100 H100XFA 100SNA 30 60 75 1-1/4
100
H100XFA1212[46]
100SNA 30 60 75 1-1/4
225
H225XJG[47]
225SNA 60 125 150 2-1/2
225
H225XJGAA[47] [46]
225SNA 60 125 150 2-1/2
3
SAFETY SWITCHES
[40] Two hubs and hub drilling template are provided for field installation.
[41] Std.—Using fast acting one time fuses. Max.—Using dual element time delay fuses.
[42] For switching dc, use two outside switching poles.
[43] For switching dc, use two outside switching poles. Not for use on dc motor applications.
[44] Includes PKDB1, breather and drain kit, required for rainproof application.
[45] Threaded conduit opening provided in top and bottom endwall.
[46] Includes 1NO/1NC auxiliary contacts.
[47] Not cULus listed due to wire bending space.
9/13/2019