Product Data Sheet
A Regal Brand
www.marathonsp.com 1
144X614
Replace “x” with 1, 2, or 3 for number of poles
Power Terminal Block
840 Amps 600 Volts AC/DC
Wire Range
Line: 3/8-16 x 1” stud
Load: 3/8-16 x 1” stud
Electrical Ratings
840 amps
600V per UL 1059 & CSA 22.2 No.158, 620A CSA class B & C applications
SCCR of 10,000 A (default for terminal blocks)
Factory & Field Wiring
Agency Compliance
UR - UL Recognized Terminal Block, Evaluated to UL 1059, File No.XCFR2.E62806
CSA - certifed to C22.2 No. 158, File No. LR19766
Material Information
Insulator base:
Phenolic
Flammability rating of insulator base UL94V0
Insulator base temperature rating: -40°C to 150°C (UL RTI)
Connector: copper, tin plated
Threaded stud: brass, tin plated
Hex nut: brass, nickel plated
RoHS compliant
www.marathonsp.com 2PDS 0078 REV-I 01/05/17
Termination Speci cations
Line & Load Side Termination
Type Torque Stud Length Maximum
Lug/Bar Width
Listed lugs on
3/8 - 16 studs
21.7 N·m
(192 lbf·in)
1”
(25mm)
1.50”
(38mm)
For use with conductors prepared with listed connectors such as single hole compression/crimp lugs or
listed ring, fork or spade terminals.
Conductor size, ampacity, temperature rating and type are dictated by the ratings of the listed lugs utilized
and applicable code requirements.
Installation & Accessories
Mounting (Panel):
For use with #10 fastener.
Torque mounting fastener to 25-30 lbf·in (2.8 - 3.4 N·m).
Covers:
Flat covers available upon request
Catalog Number: CC144x (replace “x” with number of poles)
Covers are clear polycarbonate
Accessory covers are not intended to provide insulation for electrical spacings.
Marker Strip: white vinyl strip with mounting screws available.
Printing options available, consult customer service for speci cations.
www.marathonsp.com 3PDS 0078 REV-I 01/05/17
Drawing