Nordtek
 

Toroid Transformer 230V, 2xSec, 300VA

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High quality open style 300VA toroidal transformers with a single 230V a.c. 50/60Hz primary winding.
Twin secondary windings may be connected in series, parallel or used independently.

  Toroid Transformer 230V, 2xSec, 300VA   Schematic - Electrical   Primary: 230V @ 50/60Hz

Secondary: 2 x Vsec @ 150VA Each
Suitable for Series/Parallel connection		   Open wound Toroidal Transformer  


Part Number Full Load Vsec (V) Rated Current
per Sec (A)		 No Load Vsec (V) DC Resistance (Ohms)
@ 25°C
0300P1-2-025 2x25 6.000 2x26.85 2x0.1677
0300P1-2-030 2x30 5.000 2x32.52 2x0.2300
0300P1-2-035 2x35 4.286 2x37.88 2x0.3010
0300P1-2-055 2x55 2.727 2x59.66 2x0.8141

Primary Winding

Input Voltage Range: 230V ± 10% (207V - 253V) @ 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 1.59 Watts approx
Copper Losses 37.5 Watts approx

Temperature Class

Winding Wire (Primary & Secondary) - Class H (180°C)
Insulation between input and output - Class B (130°C)
Connection lead insulation - Class A (105°C)

Standards

Approved to UL506: File E215495
Approved to EN61558 : KEMA Certificate 2001469
Conforms to EN60065, VDE0550, BS415.

Physical Data

Approximate Dimensions:
Diameter 115mm - (Measured away from lead-out bulge; Allow extra 4mm at leads.)
Height 58mm

Approximate Weight:
2.30 Kg

Terminations

Primary:
Solid copper conductors (extension of winding wire), insulated over their entire length with PVC tubing. Double-insulated over entire length with Class A 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.

Mounting Hardware

Each transformer is supplied with a mounting kit, comprising: 2 pieces of Neoprene Insulating discs, 1 piece of Dished Steel Washer


See other power variants here: 230V, 2xSec, 15-1000VA