Toroidal Transformer Data Sheet Standard Power Transformers 300VA 230V Primaries, Dual Secondaries High quality open style toroidal transformers with a single 230V a.c. 50/60Hz primary winding.. Twin secondary windings may be connected in series or parallel or used independently. 230V Brown Vsec Red Primary: 230V @ 50/60Hz Black Yellow Blue Orange 0V Part Number 0300P1-2-025 0300P1-2-030 0300P1-2-035 0300P1-2-055 Secondary: 2 x Vsec @ 150VA Each Suitable for Series/Parallel connection 0V Vsec 0V Full Load Vsec [V] Rated Current per Sec No Load Vsec [A] [V] 2 x 25 6.000 2 x 26.85 2 x 30 5.000 2 x 32.52 2 x 35 4.286 2 x 37.88 2 x 55 2.727 2 x 59.66 DC Resistance [Ohms] @ 25'C 2 x 0.1677 2 x 0.2300 2 x 0.3010 2 x 0.8141 Primary Winding Input Voltage Range : 207V–253V (230V +/- 10%) @ 50/60Hz DC Resistance @ 25'C = Approx 4.7 Ohms Magnetising Current @ 230V = Approx 16.5mA Magnetising Current @ 253V = Approx 77.0mA Losses Iron Losses Copper Losses Temperature Class Winding Wire (Primary & Secondary) Insulation between input and output Connection lead insulation Standards Approved to UL506 : File E215495 Approved to EN61558 : KEMA Certificate 2060938 Conforms to EN60065, VDE0550, BS415. Physical Data Approximate Dimensions Diameter Height Approximate Weight 2.30 Kg 1.59 Watts approx 37.5 Watts approx Class H (180'C) Class B (130'C) Class A (105'C) 115mm* 58mm * Measured away from leadout bulge; Allow extra 4mm at leads. Terminations Mounting Hardware Primary Solid copper conductors (extension of winding wire), insulated over their entire length with PVC tubing. Double-insulated over entire length with PVC tubing. 150mm Long, 10mm tinned ends. Secondary Solid copper conductors (extension of winding wire), insulated over their entire length with PVC tubing. 150mm Long, 10mm tinned ends. Each transformer is supplied with a mounting kit, comprising: Neoprene Insulating disc 2 pieces Dished Steel Washer 1 piece Ireland: Int.+353 7495 48666 • Germany: Int.+4989-841 00-0 • Czech Rep: Int.+420 377 338 351 • India: Int.+91 427 2433 000 • USA: Int.+1 573 263-0659 www.nuvotem.com www.talema.net www.talema.de www.ntmagnetics.cz www.talema-nuvotem.com