"Low Boy" Low Profile Split Bobbin-Printed Circuit Transformers SPECIFICATIONS: ! WARNING ELECTROCUTION HAZARD Disconnect electric power to system at main fuse or circuit breaker box before servicing. Failure to do so could result in death or serious injury. FIRE HAZARD Do not exceed transformer ratings. Higher voltage may damage control and could cause personal injury or property damage. Dimensions - inches Output Wt. H VA W L MW ML A B Lb. 2, 3 0.63 1.56 1.88 0.88 1.62 1.60 0.38 0.28 4, 5, 6 0.88 1.56 1.88 0.88 1.62 1.60 0.38 0.34 12 1.06 2.00 2.50 1.00 2.00 2.00 0.50 0.72 .020 x.041 .002 115/230VAC, 50/60Hz See table on reverse side Class A (105C) 65C Max. rise over 40C Max. ambient 2000 VRMS UL Recognized to UL-506 UL File #E68100 INPUT: OUTPUT: INSULATION RATING: TEMPERATURE RISE: DIELECTRIC STRENGTH: AGENCY STANDARDS: FILE NOs.: NOTES: 1. All dimensions in inches, unless otherwise specified. 2. All dimensions .062, unless otherwise specified. W MW .020 B .010 1 L ML .020 A .020 5 .216 .125 .039 .015 DIA. H Connection Diagrams Primary 115V 50/60Hz LINE 1 5 LOAD LINE 2 4 6 8 LOAD 3 7 Primary 230V 50/60Hz LINE 1 5 LOAD LINE 2 4 6 8 LOAD 3 7 Parallel Connections Series Connections PART NO. 37-6168B Replaces 37-6168A 0838 www.stancor.com "Low Boy" Low Profile Split Bobbin-Printed Circuit Transformers * Non-concentric winding provides isolation by design, eliminating the need for an electrostatic shield. * Semi-Toroidal Construction - Reduces radiated magnetic fields and results in balanced windings. V.A. STANCOR or Part No. Watts LB-210 LB-310 LB-410 LB-510 LB-610 LB-1210 LB-412 LB-512 LB-612 LB-1212 LB-215 LB-315 LB-616 LB-1216 LB-420 LB-520 LB-620 LB-1220 LB-424 LB-524 LB-624 LB-1224 LB-634 LB-1234 LB-240 LB-640 LB-1240 LB-256 LB-656 LB-1256 LB-288 LB-688 LB-1288 LB-2120 LB-4120 LB-5120 LB-6120 LB-12120 LB-2230 LB-6230 LB-12230 2 3 4 5 6 12 4 5 6 12 2 3 6 12 4 5 6 12 4 5 6 12 6 12 2 6 12 2 6 12 2 6 12 2 4 5 6 12 2 6 12 SECONDARY Series Output Parallell Output Across 5 & 8 Across Connect 6 & 7 5 & 7, 6 & 8 10V C.T. @ 10V C.T. @ 10V C.T. @ 10V C.T. @ 10V C.T. @ 10V C.T. @ 12V C.T. @ 12V C.T. @ 12.6V C.T. @ 12.6V C.T. @ 15V C.T. @ 15V C.T. @ 16V C.T. @ 16V C.T. @ 20V C.T. @ 20V C.T. @ 20V C.T. @ 20V C.T. @ 24V C.T. @ 24V C.T. @ 24V C.T. @ 24V C.T. @ 34V C.T. @ 34V C.T. @ 40V C.T. @ 40V C.T. @ 40V C.T. @ 56V C.T. @ 56V C.T. @ 56V C.T. @ 88V C.T. @ 88V C.T. @ 88V C.T. @ 120V C.T. @ 120V C.T. @ 120V C.T. @ 120V C.T. @ 120V C.T. @ 230V C.T. @ 230V C.T. @ 230V C.T. @ 200 mA 300 mA 400 mA 500 mA 600 mA 1.2 A 333 mA 417 mA 450 mA 900 mA 150 mA 225 mA 350 mA 700 mA 200 mA 250 mA 300 mA 600 mA 167 mA 208 mA 250 mA 500 mA 170 mA 340 mA 60 mA 150 mA 300 mA 45 mA 100 mA 200 mA 28 mA 65 mA 130 mA 20 mA 33 mA 41.7 mA 50 mA 100 mA 10 mA 25 mA 50 mA 5V @ 5V @ 5V @ 5V @ 5V @ 5V @ 6V @ 6V @ 6.3V @ 6.3V @ 7.5V @ 7.5V @ 8V @ 8V @ 10V @ 10V @ 10V @ 10V @ 12V @ 12V @ 12V @ 12V @ 17V @ 17V @ 20V @ 20V @ 20V @ 28V @ 28V @ 28V @ 44V @ 44V @ 44V @ 60V @ 60V @ 60V @ 60V @ 60V @ 115V @ 115V @ 115V @ 400 mA 600 mA 800 mA 1.0 A 1.2 A 2.4 A 667 mA 833 mA 900 mA 1.8 A 300 mA 450 mA 700 mA 1.4 A 400 mA 500 mA 600 mA 1.2 A 333 mA 417 mA 500 mA 1.0 A 340 mA 680 mA 120 mA 300 mA 600 mA 90 mA 200 mA 400 mA 56 mA 130 mA 260 mA 40 mA 66 mA 83.3 mA 100 mA 200 mA 20 mA 50 mA 100 mA 1 3 2 5 4 7 6 8 Pri. Coil 2 Pri. Coil 1 Sec. Coil 1 Sec. Coil 2 Explanation of Low Boy Interconnections Because of the toroidal effect, two identical coils are connected in series or parallel, but one of the coils must be connected in reverse in order to get correct polarity and voltage.