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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
4kV
Primary Winding(s):
2
Secondary Side Voltage:
10V;20V
Output Current:
3A;1.5A
Primary Side Voltage:
115V;230V
Mfr. Part #:
14A-30-20
Package:
Through Hole-8P,66.7x55.5mm
Key Attributes
Model Number:
14A-30-20
Product Description
Product Overview
Signals 14A Series International Transformers are designed for low-power applications, offering high isolation, creepage, and clearance to meet international safety standards at a lower cost with improved performance. These transformers are suitable for applications requiring compliance with international standards and are available in a range of power ratings from 2.5 VA to 56 VA.
Product Attributes
- Brand: Signal Transformer (belfuse.com/signal)
- Product Series: 14A Series One-4-All
- Insulation System: Class F, 155 C, UL 1446 (E66312)
- Flammability Rating: Bobbin and shroud material meet UL 94-V0
- Agency 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 (UL5085-3 Inherently Limited), UL Recognized (UL5085-3 Non-Inherently Limited), CSA certified (C22.2 No. 66.3 / UL5085-3 Class 2 Energy Limited)
- Compliance: RoHS Compliant
- Origin: USA (implied by contact information)
- Customization: Custom versions available upon request.
Technical Specifications
General Specifications
| Specification | Value |
|---|---|
| Power | 2.5 VA to 56 VA |
| Dielectric Strength | 4000 Vrms Hipot |
| Primary Voltage | Dual Primaries - 115/230 V - 50/60 Hz |
| Secondary Voltage Configuration | Dual Secondaries - Series or parallel |
Part Number Selection & Ratings
| Part Number | VA | Secondary RMS Rating (Series) | Secondary RMS Rating (Parallel) | Size | Notes |
|---|---|---|---|---|---|
| 14A-2.5R-10 | 2.5 | 10.0 VCT @ 0.25 A | 5.0 V @ 0.50 A | 2.5 | |
| 14A-5.0R-10 | 5 | 10.0 VCT @ 0.50 A | 5.0 V @ 1.00 A | 5 | |
| 14A-10R-10 | 10 | 10.0 VCT @ 1.00 A | 5.0 V @ 2.00 A | 10 | |
| 14A-2.5R-12## | 2.5 | 12.6 VCT @ 0.20 A | 6.3 V @ 0.40 A | 2.5 | ## |
| 14A-5.0R-12## | 5 | 12.6 VCT @ 0.40 A | 6.3 V @ 0.80 A | 5 | ## |
| 14A-10R-12## | 10 | 12.6 VCT @ 0.80 A | 6.3 V @ 1.60 A | 10 | ## |
| 14A-2.5R-16# | 2.5 | 16.0 VCT @ 0.15 A | 8.0 V @ 0.30 A | 2.5 | # |
| 14A-5.0R-16# | 5 | 16.0 VCT @ 0.31 A | 8.0 V @ 0.62 A | 5 | # |
| 14A-10R-16# | 10 | 16.0 VCT @ 0.62 A | 8.0 V @ 1.25 A | 10 | # |
| 14A-2.5R-20## | 2.5 | 20.0 VCT @ 0.12 A | 10 V @ 0.24 A | 2.5 | ## |
| 14A-5.0R-20# | 5 | 20.0 VCT @ 0.25 A | 10 V @ 0.50 A | 5 | # |
| 14A-10R-20# | 10 | 20.0 VCT @ 0.50 A | 10 V @ 1.00 A | 10 | # |
| 14A-2.5R-24## | 2.5 | 24.0 VCT @ 0.10 A | 12 V @ 0.20 A | 2.5 | ## |
| 14A-5.0R-24## | 5 | 24.0 VCT @ 0.21 A | 12 V @ 0.42 A | 5 | ## |
| 14A-10R-24## | 10 | 24.0 VCT @ 0.42 A | 12 V @ 0.84 A | 10 | ## |
| 14A-2.5R-28 | 2.5 | 28.0 VCT @ 0.09 A | 14 V @ 0.18 A | 2.5 | |
| 14A-5.0R-28 | 5 | 28.0 VCT @ 0.18 A | 14 V @ 0.36 A | 5 | |
| 14A-10R-28 | 10 | 28.0 VCT @ 0.36 A | 14 V @ 0.72 A | 10 | |
| 14A-2.5R-36 | 2.5 | 36.0 VCT @ 0.07 A | 18 V @ 0.14 A | 2.5 | |
| 14A-5.0R-36 | 5 | 36.0 VCT @ 0.14 A | 18 V @ 0.28 A | 5 | |
| 14A-10R-36 | 10 | 36.0 VCT @ 0.28 A | 18 V @ 0.56 A | 10 | |
| 14A-20-10 | 20 | 10.0 VCT @ 2.0 A | 5.0 V @ 4.0 A | 20 | |
| 14A-30-10 | 30 | 10.0 VCT @ 3.0 A | 5.0 V @ 6.0 A | 30 | |
| 14A-56-10 | 56 | 10.0 VCT @ 5.6 A | 5.0 V @ 11.2 A | 56 | |
| 14A-20-12## | 20 | 12.6 VCT @ 1.6 A | 6.3 V @ 3.2 A | 20 | ## |
| 14A-30-12#* | 30 | 12.6 VCT @ 2.4 A (2) | 6.3 V @ 4.80 A (4) | 30 | #* Recommended fuse: 3.0 A |
| 14A-56-12* | 56 | 12.6 VCT @ 4.4 A (4) | 6.3 V @ 8.80 A ++ | 56 | * Recommended fuse: 5.0 A ++ Parallel connected secondaries NOT Class 2 rated. |
| 14A-20-16# | 20 | 16.0 VCT @ 1.25 A | 8.0 V @ 2.50 A | 20 | # |
| 14A-30-16# | 30 | 16.0 VCT @ 1.90 A | 8.0 V @ 3.80 A | 30 | # |
| 14A-56-16 | 56 | 16.0 VCT @ 3.50 A | 8.0 V @ 7.00 A | 56 | |
| 14A-20-20# | 20 | 20.0 VCT @ 1.00 A | 10 V @ 2.00 A | 20 | # |
| 14A-30-20# | 30 | 20.0 VCT @ 1.50 A | 10 V @ 3.00 A | 30 | # |
| 14A-56-20 | 56 | 20.0 VCT @ 2.80 A | 10 V @ 5.60 A | 56 | |
| 14A-20-24## | 20 | 24.0 VCT @ 0.83 A | 12 V @ 1.66 A | 20 | ## |
| 14A-30-24#* | 30 | 24.0 VCT @ 1.25 A (1) | 12 V @ 2.50 A (3) | 30 | #* Recommended fuse: 1.5 A (1) / 3.0 A (3) |
| 14A-56-24* | 56 | 24.0 VCT @ 2.33 A (2) | 12 V @ 4.66 A (4) | 56 | * Recommended fuse: 2.5 A (2) / 5.0 A (4) |
| 14A-20-28 | 20 | 28.0 VCT @ 0.72 A | 14 V @ 1.44 A | 20 | |
| 14A-30-28 | 30 | 28.0 VCT @ 1.06 A | 14 V @ 2.12 A | 30 | |
| 14A-56-28 | 56 | 28.0 VCT @ 2.00 A | 14 V @ 4.00 A | 56 | |
| 14A-20-36 | 20 | 36.0 VCT @ 0.56 A | 18 V @ 1.12 A | 20 | |
| 14A-30-36 | 30 | 36.0 VCT @ 0.82 A | 18 V @ 1.64 A | 30 | |
| 14A-56-36 | 56 | 36.0 VCT @ 1.56 A | 18 V @ 3.12 A | 56 |
Mechanical Specifications
| VA | L (inches/mm) | W (inches/mm) | H* (inches/mm) | A (inches/mm) | B (inches/mm) | C (inches/mm) | 0.025 (0.64) | 1.06 (26.9) | - | - | #4 | 2 | 0.25 (0.113) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5 | 1.62 (41.3) | 1.43 (36.5) | 1.12 (28.6) | 0.20 (5.08) | 0.25 (6.35) | 1.00 (25.4) | 0.025 (0.64) | 1.06 (26.9) | - | - | #4 | 2 | 0.25 (0.113) |
| 5 | 1.62 (41.3) | 1.43 (36.5) | 1.37 (34.9) | 0.20 (5.08) | 0.40 (10.16) | 1.00 (25.4) | 0.025 (0.64) | 1.06 (26.9) | - | - | #4 | 2 | 0.37 (0.168) |
| 10 | 1.87 (47.6) | 1.56 (39.7) | 1.37 (34.9) | 0.20 (5.08) | 0.40 (10.16) | 1.14 (29.0) | 0.036 (0.91) | 1.25 (31.7) | - | - | #4 | 2 | 0.53 (0.240) |
| 20 | 2.25 (57.2) | 1.87 (47.6) | 1.62 (41.3) | 0.40 (10.2) | 0.40 (10.2) | 1.46 (37.1) | 0.036 (0.91) | 1.50 (38.1) | - | - | #4 | 2 | 0.90 (0.41) |
| 30 | 2.62 (66.7) | 2.18 (55.5) | 1.56 (39.7) | 0.55 (13.9) | 0.27 (7.0) | 1.68 (42.7) | 0.045 (1.14) | - | 1.75 (44.4) | 2.18 (55.5) | #6 | 4 | 1.15 (0.52) |
| 56 | 3.00 (76.2) | 2.50 (63.5) | 1.83 (46.5) | 0.60 (15.2) | 0.30 (7.6) | 1.90 (48.3) | 0.045 (1.14) | - | 2.00 (50.8) | 2.50 (6.35) | #6 | 4 | 1.70 (0.77) |
*Note: Dimension H represents the total distance from the seating plane to the uppermost surface, stand offs and/or risers inclusive.
2411272147_Bel-Fuse-14A-30-20_C17256728.pdf
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