Cut Sheet

Current transformer Cabinets and terminal boxes Type 3R TeRminal Box and accessoRies
nVent.com/HOFFMANSUBJECT TO CHANGE WITHOUT NOTICECommerCial1
Spec-00085 J
terminal box, type 3r
industry standards
UL 1773 Listed; Type 3R; File No. E256098
UL 50, 50E Listed; Type 3R; File No. E27525
cUL Listed per CSA C22.2 No 94; Type 3R; File No. E27525
NEMA/EEMAC Type 3R
IEC 60529, IP32
appliCation
These Terminal Boxes are wire-splice boxes for outdoor commercial
and industrial applications that have a feeder tap to branch circuits.
Boxes are available in three- or four-wire congurations in sizes up
to 400 A.
features
•
Drip-shield top and seam-free sides, front and back
•
Removable cover
•
Distribution lugs installed (see table for sizes)
•
Hub opening at top with cover
• Provisions for padlocking or seal
• Knockouts on bottom of enclosure
• Grounding provisions
speCifiCations
• 16 gauge galvanized steel
finisH
ANSI 61 gray polyester powder paint nish inside and out over
galvanized steel.
aCCessories
See also Accessories.
Touch - Up Paint
Interchangeable Bolt-on Hub
Lug Assembly
Bulletin: S90B3
Standard Product
Catalog Number
AxBxC in./mm Volts Phase Amps
Number
of Bars Wire Range
G
in./mm
H
in./mm
tB3R101 18.00 x 8.00 x 4.50
457 x 203 x 114
120/240 1Ø 100 3 (6) #14-2/0 15.00
381
3.88
99
tB3R103 18.00 x 8.00 x 4.50
457 x 203 x 114
600 3Ø 100 4 (6) #14-2/0 15.00
381
3.88
99
tB3R103240 18.00 x 10.75 x 4.50
457 x 273 x 114
120/240 3Ø 100 4 (6) #14-2/0 15.00
381
3.88
99
tB3R201 23.00 x 12.00 x 4.50
584 x 305 x 114
120/240 1Ø 200 3 (6) #6-350MCM 20.00
508
5.50
140
tB3R203 23.00 x 12.00 x 4.50
584 x 305 x 114
600 3Ø 200 4 (6) #6-350MCM 20.00
508
5.50
140
tB3R203240 23.00 x 14.00 x 4.50
584 x 356 x 114
120/240 3Ø 200 4 (6) #6-350MCM 20.00
508
5.50
140
tB3R401 27.00 x 16.00 x 5.00
686 x 406 x 127
120/240 1Ø 400 3 (6) #4-600MCM 24.00
610
8.75
222
tB3R403 27.00 x 16.00 x 5.00
686 x 406 x 127
600 3Ø 400 4 (6) #4-600MCM 24.00
610
8.75
222
TB3R401 is UL and cUL for copper conductor only