VPP28-720

P OWE R T RAN S FO R M E R P C M OUNT: W ORLD SE RI E S VPP28–720 Electrical Specifications (@25C) 1. Maximum Power: 20.0VA 2. Input: Series: 230VAC, 50/60Hz; Parallel: 115VAC, 50/60Hz 3. Output: Series1: 28.0V CT@ 0.72A; Parallel2: 14.0V @ 1.44A 4. Voltage Regulation: 25% TYP @ full load to no load 5. Temperature Rise: 30C TYP (45C MAX allowed) 6. Insulation Resistance: 100MΩ 7. Hipot: 4000VAC between primary to secondary and windings to core. 8. Recommended Fuse3: Series: Inherently Limited. No fusing required. Parallel: Littelfuse p/n 313 2HXP, 2.0A 250V, slow blow, ¼ x 1 ¼ or, Cooper Bussmann p/n BK/MDL-2, 2.0A 250V, ¼ x 1 ¼ 1 Construction: 7 3 R c Dual bobbin construction with an insulated shroud, both made of a high temperature material that exceeds UL flammability requirements. Safety: 9 R US 4 10 6 12 Since the dual bobbin construction effectively reduces capacitance, electrostatic shielding is not required. World Series Transformers are designed and manufactured to meet the following agency approvals: A B C Agency File: Units: In inches A B C D E F G H 1.500 1.625 .187 .400 .400 1.875 2.250 1.460 B3 E XXX A. Dimensions: D EI A-17-YYW W UL: File E53148, UL 5085-1 and 2 (formerly UL 506), General Purpose. UL: File E65390, UL 5085-1 and 3 (formerly UL1585), Class 2/3. CSA: File LR 221330. C22.2 NO. 66, General Purpose. TUV: File R72103639, EN 60950, (IEC950) information Technology Equipment. D F B. PIN DIM. : 0.036 SQ C. WT Lbs. : 0.90 D. Mounting Holes: .112 dia. x 2. Connections4: Input: Series – Pin 1 to Pin 6, Jumper Pin 4 to Pin 3 G Parallel – Pin 1 to Pin 6, Jumper Pin 1 to Pin 4 and Pin 3 to Pin 6 Output: Series – Pin 7 to Pin 12, Jumper Pin 9 to Pin 10 Parallel – Pin 7 to Pin 12, Jumper Pin 7 to Pin 10 and Pin 9 to Pin 12 H RoHS Compliance: As of manufacturing date February 2016, all standard products meet the requirements of 2015/863/EU, known as the RoHS 3 initiative. * Upon printing, this document is considered “uncontrolled”. Please contact Triad Magnetics’ website for the most current version. 115/230V 50/60H z 6 12 4 10 3 9 1 7 1 Inherently limited. Class 3 wet. Non-Inherently limited. Class 2 wet, Class 3 wet. 3 Fuse must be used on secondary as conditions of acceptability for UL Class2/3 operation. 4 Primary and secondary windings are designed to be connected in series or parallel. Winding are not intended to be used independently. 2 Web: www.TriadMagnetics.com Phone 951-277-0757 Fax 951-277-2757 460 Harley Knox Blvd. Perris, California 92571 SCHEMATIC Publish Date: June 3, 2019 P A RA LL CONN E CT 115V 50/60H z