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quality Durable printed circuit mount transformer Bel Fuse 14A-20-28 meeting global safety and compliance standards factory
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quality Durable printed circuit mount transformer Bel Fuse 14A-20-28 meeting global safety and compliance standards factory
>
Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
4kV
Primary Winding(s):
2
Secondary Side Voltage:
14V;28V
Output Current:
1.44A;720mA
Primary Side Voltage:
115V;230V
Mfr. Part #:
14A-20-28
Package:
Through Hole-8P,57.2x47.6mm
Key Attributes
Model Number: 14A-20-28
Product Description

Product Overview

Signal's 14A Series International Transformers are designed for low-power applications, offering high isolation, creepage, and clearance to meet international safety standards. These transformers provide reliable performance at a lower cost, making them suitable for a wide range of industrial and electronic applications requiring compliance with global regulations. They feature dual primaries and secondaries for flexible configuration.

Product Attributes

  • Brand: Signal Transformer (part of Bel Power Solutions)
  • Series: 14A Series
  • Product Type: International Transformers
  • Mounting Type: Printed Circuit Mount
  • Insulation System: Class F, 155 C, UL 1446 (E66312)
  • Flammability Rating: Bobbin and shroud material meet UL 94-V0
  • Certifications: UL recognized (UL 506 / UL 5085-2, CSA certified (C22.2 No. 66.1), VDE certified (VDE 0868 / EN 62368), CE Compliance, UL Recognized to UL5085-3 (Inherently Limited & Non-Inherently Limited), CSA certified to C22.2 No. 66.3 / UL5085-3 (Class 2 Energy Limited)
  • Compliance: RoHS Compliant
  • Origin: USA (implied by address)

Technical Specifications

Part Number VA Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Size (L x W x H) Mounting Screw Weight (lbs / kg)
14A-2.5R-10 2.5 10.0 VCT @ 0.25 A 5.0 V @ 0.50 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-10 5 10.0 VCT @ 0.50 A 5.0 V @ 1.00 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-10 10 10.0 VCT @ 1.00 A 5.0 V @ 2.00 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-12## 2.5 12.6 VCT @ 0.20 A 6.3 V @ 0.40 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-12## 5 12.6 VCT @ 0.40 A 6.3 V @ 0.80 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-12## 10 12.6 VCT @ 0.80 A 6.3 V @ 1.60 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-16# 2.5 16.0 VCT @ 0.15 A 8.0 V @ 0.30 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-16# 5 16.0 VCT @ 0.31 A 8.0 V @ 0.62 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-16# 10 16.0 VCT @ 0.62 A 8.0 V @ 1.25 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-20## 2.5 20.0 VCT @ 0.12 A 10 V @ 0.24 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-20# 5 20.0 VCT @ 0.25 A 10 V @ 0.50 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-20# 10 20.0 VCT @ 0.50 A 10 V @ 1.00 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-24## 2.5 24.0 VCT @ 0.10 A 12 V @ 0.20 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-24## 5 24.0 VCT @ 0.21 A 12 V @ 0.42 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-24## 10 24.0 VCT @ 0.42 A 12 V @ 0.84 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-28 2.5 28.0 VCT @ 0.09 A 14 V @ 0.18 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-28 5 28.0 VCT @ 0.18 A 14 V @ 0.36 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-28 10 28.0 VCT @ 0.36 A 14 V @ 0.72 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-2.5R-36 2.5 36.0 VCT @ 0.07 A 18 V @ 0.14 A 1.62 (41.3) x 1.43 (36.5) x 1.12 (28.6) #4 (x2) 0.25 (0.113)
14A-5.0R-36 5 36.0 VCT @ 0.14 A 18 V @ 0.28 A 1.62 (41.3) x 1.43 (36.5) x 1.37 (34.9) #4 (x2) 0.37 (0.168)
14A-10R-36 10 36.0 VCT @ 0.28 A 18 V @ 0.56 A 1.87 (47.6) x 1.56 (39.7) x 1.37 (34.9) #4 (x2) 0.53 (0.240)
14A-20-10 20 10.0 VCT @ 2.0 A 5.0 V @ 4.0 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-10 30 10.0 VCT @ 3.0 A 5.0 V @ 6.0 A 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-10 56 10.0 VCT @ 5.6 A 5.0 V @ 11.2 A 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-12## 20 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-12#* 30 12.6 VCT @ 2.4 A (2) 6.3 V @ 4.80 A (4) 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-12* 56 12.6 VCT @ 4.4 A (4) 6.3 V @ 8.80 A ++ 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-16# 20 16.0 VCT @ 1.25 A 8.0 V @ 2.50 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-16# 30 16.0 VCT @ 1.90 A 8.0 V @ 3.80 A 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-16 56 16.0 VCT @ 3.50 A 8.0 V @ 7.00 A 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-20# 20 20.0 VCT @ 1.00 A 10 V @ 2.00 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-20# 30 20.0 VCT @ 1.50 A 10 V @ 3.00 A 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-20 56 20.0 VCT @ 2.80 A 10 V @ 5.60 A 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-24## 20 24.0 VCT @ 0.83 A 12 V @ 1.66 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-24#* 30 24.0 VCT @ 1.25 A (1) 12 V @ 2.50 A (3) 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-24* 56 24.0 VCT @ 2.33 A (2) 12 V @ 4.66 A (4) 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-28 20 28.0 VCT @ 0.72 A 14 V @ 1.44 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-28 30 28.0 VCT @ 1.06 A 14 V @ 2.12 A 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-28 56 28.0 VCT @ 2.00 A 14 V @ 4.00 A 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)
14A-20-36 20 36.0 VCT @ 0.56 A 18 V @ 1.12 A 2.25 (57.2) x 1.87 (47.6) x 1.62 (41.3) #4 (x2) 0.90 (0.41)
14A-30-36 30 36.0 VCT @ 0.82 A 18 V @ 1.64 A 2.62 (66.7) x 2.18 (55.5) x 1.56 (39.7) #6 (x4) 1.15 (0.52)
14A-56-36 56 36.0 VCT @ 1.56 A 18 V @ 3.12 A 3.00 (76.2) x 2.50 (63.5) x 1.83 (46.5) #6 (x4) 1.70 (0.77)

General Specifications:

  • Power Range: 2.5 VA to 56 VA
  • Dielectric Strength: 4000 Vrms Hipot
  • Primary Voltage: Dual Primaries - 115/230 V - 50/60 Hz
  • Secondary Configuration: Dual Secondaries - Series or parallel
  • Insulation System: Class F, 155 C, UL 1446 (E66312)
  • Flammability Rating: Bobbin and shroud material meet UL 94-V0

Recommended secondary fuse values:

  • (1) 1.5A
  • (2) 2.5A
  • (3) 3.0A
  • (4) 5.0A
  • (++) Parallel connected secondaries NOT Class 2 rated.

2411272147_Bel-Fuse-14A-20-28_C17699630.pdf

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