Document
Small kVA 3 Phase Isolation Transformer
VA: Input Voltage:
350, 500, 750, 1000, 1500 2000, 3000 400 Delta
Out put Voltage: 600Y/347
Taps:
See wiring diagram
Insula tion Class: Class F 155º C
Impedan ce:
2.5 - 3.5%
Phase:
Frequency: BIL: Coils: Temp Rise:
TT2071-TT2077
Three-Phase
50 Hz 4 kV Copper 100º C
Open Enclosure
Full 10 Year Warranty
Feature Highlights 10 Year Warranty UL Listed CSA Approved - Copper windings - 1.5 to 2 week build time - Soldily fixed terminals with standard combination slotted Robertson head screw connections facilitate wiring. - Built with heat-proof insulation for compact size and long life. - Unique bobbin-wound coils for greater efficiency, superior heat evacuation, and compact structure.
Optional Features - NEMA 4/4x - Encapsulation - Other voltages/multiple tap - Electrostatic shield Please call us for additional options.
Corporate Headquarters:
TEMCo – Tower Electric Motor Company 41474 Christy Street Fremont, CA 94538
Inside USA (800) 613-2290 International (510) 490-2187 Fax (510) 490-1507 www.temcoindustrialpower.com
Small kVA 3 Phase Isolation Transformer
TT2071-TT2077
60 Hz
TT2071 TT2072 TT2073 TT2074 TT2075 TT2076 TT2077
350 VA 500 VA 750 VA 1000 VA 1500 VA 2000 VA 3000 VA
Wiring Connection
Pri. Volts
Connect Taps
400 1- X1 & 2- X2 & 3 - X3
Line Leads X1, X2, X3
Sec. Volts
Connect Taps
600 (347) 1- H1 & 2- H2 & 3 - H3
Line Leads H1, H2, H3(H0)
X3 X2 X1
1 H0 H1
2 H2
3 H3
Corporate Headquarters:
TEMCo – Tower Electric Motor Company 41474 Christy Street Fremont, CA 94538
Inside USA (800) 613-2290 International (510) 490-2187 Fax (510) 490-1507 www.temcoindustrialpower.com
Small kVA 3 Phase Isolation Transformer
A
TT2071-TT2077
BC
ED
Open Units - Dimension Table
Part # (60 Hz) VA TT2071 350 TT2072 500 TT2073 750 TT2074 1000 TT2075 1500 TT2076 2000 TT2077 3000
A 7.2 7.2 9 9 9 9 9
BCD 5.4 3.6 2.58 5.4 3.6 2.58 6.75 3.9 2.75 6.75 4.1 2.75 6.75 5.4 4.25 6.75 5.55 4.25 6.75 6 4.25
E 2.4 2.4 3 3 3 3 3
Approximate dimensions given in inches. Note: All dimensions are +/- 0.06 in. except for “C,” which is +/- 0.25 in.
Mounting Holes
0.28 x 0.56
Ship Weight (lbs)
12
0.28 x 0.56
14
0.35 x 0.788
23
0.35 x 0.788
26
0.35 x 0.788
40
0.35 x 0.788
46
0.35 x 0.788
55
Corporate Headquarters:
TEMCo – Tower Electric Motor Company 41474 Christy Street Fremont, CA 94538
Inside USA (800) 613-2290 International (510) 490-2187 Fax (510) 490-1507 www.temcoindustrialpower.com
.