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Specifications
Secondary Winding:
2
Isolation Voltage(Vrms):
1.5kV
Primary Winding(s):
Single, Multi-tap
Secondary Side Voltage:
28V;56V
Output Current:
2A;1A
Primary Side Voltage:
105V;115V;125V
Mfr. Part #:
56-1
Package:
Screw Terminals
Key Attributes
Model Number:
56-1
Product Description
Product Overview
The Belfuse DL Series Step Down Multi-Tapped Power Isolating Transformers are conservatively designed for high reliability and efficiency, suitable for a wide variety of applications, originally developed for powering rectifying circuits. Manufactured using proven construction techniques, these transformers offer a broad range of outputs and are RoHS compliant. Custom versions are available upon request.
Product Attributes
- Brand: Belfuse (Signal Transformer)
- Series: DL Series
- Certifications: RoHS Compliant
- Insulation System: Class B (130 C)
- Frequency: 50/60 Hz
- Primary Voltages: 105 V, 115 V, 125 V, 230 V
- Secondary Configuration: Dual center tapped windings (series or parallel connection)
- Dielectric Strength: 1500 Vrms Hipot
- Origin: Lynbrook, NY, USA
Technical Specifications
| Part Number | Primary (50/60 Hz) | Second RMS Rating | Mtg Style | Dimensions (L x W x H) (Inches/mm) | Mtg Screw | Weight (lbs/kg) |
|---|---|---|---|---|---|---|
| DL-10-1 | Single 115 V | 10 VCT @ 1 A / 5 VCT @ 2 A | C | 2.87 (73.0) x 1.75 (44.5) x 2.31 (58.7) | #8 | 1.0 (.45) |
| DL-10-2 | Single 115 V | 10 VCT @ 2 A / 5 VCT @ 4 A | C | 3.12 (79.4) x 2.12 (53.9) x 2.75 (69.9) | #8 | 1.5 (.68) |
| DL-10-4 | Single 115 V | 10 VCT @ 4 A / 5 VCT @ 8 A | C | 3.56 (90.5) x 2.37 (60.3) x 3.06 (77.7) | #8 | 2.3 (1.04) |
| DL-10-6 | Single 115 V | 10 VCT @ 6 A / 5 VCT @ 12 A | B | 3.37 (85.7) x 2.75 (69.9) x 2.81 (71.4) | #8 | 3.3 (1.50) |
| DL-10-8 | Single 115 V | 10 VCT @ 8 A / 5 VCT @ 16 A | B | 3.37 (85.7) x 3.12 (79.4) x 2.81 (71.4) | #8 | 4.01 (1.81) |
| DL-10-12 | Single 115 V | 10 VCT @ 12 A / 5 VCT @ 24 A | B | 3.75 (95.3) x 3.25 (82.6) x 3.12 (79.4) | #8 | 5.0 (2.27) |
| DL-10-25 | Single 115 V | 10 VCT @ 25 A / 5 VCT @ 50 A | B | 4.50 (114.3) x 3.75 (95.3) x 3.75 (95.3) | #10 | 8.7 (3.95) |
| DL-10-50* | Single 115 V | 10 VCT @ 50 A / 5 VCT @ 100 A | B | 5.35 (133.4) x 5.50 (139.7) x 4.37 (111.1) | 1/4 | 17.0 (7.71) |
| DL-10-100* | Single 115 V | 10 VCT @ 100 A / 5 VCT @ 200 A | B | 6.37 (162.0) x 7.25 (184.2) x 5.31 (134.9) | 1/4 | 34.5 (15.65) |
| DL-12.8-1 | Single 115 V | 12.8 VCT @ 1 A / 6.4 VCT @ 2 A | C | 2.87 (73.0) x 2.00 (50.8) x 2.31 (58.7) | #8 | 1.2 (.54) |
| DL-12.8-2 | Single 115 V | 12.8 VCT @ 2 A / 6.4 VCT @ 4 A | B | 3.00 (76.2) x 2.50 (63.5) x 2.50 (63.5) | #8 | 2.3 (1.04) |
| DL-12.8-4 | Single 115 V | 12.8 VCT @ 4 A / 6.4 VCT @ 8 A | B | 3.00 (76.2) x 2.50 (63.5) x 2.50 (63.5) | #8 | 2.8 (1.27) |
| DL-12.8-6 | Single 115 V | 12.8 VCT @ 6 A / 6.4 VCT @ 12 A | B | 3.37 (85.7) x 3.06 (77.7) x 2.81 (71.4) | #8 | 4.0 (1.81) |
| DL-12.8-8 | Single 115 V | 12.8 VCT @ 8 A / 6.4 VCT @ 16 A | B | 3.75 (95.3) x 3.12 (79.4) x 3.12 (79.4) | #8 | 4.5 (2.04) |
| DL-12.8-12* | Single 115 V | 12.8 VCT @ 12 A / 6.4 VCT @ 24 A | B | 4.12 (104.8) x 3.25 (82.6) x 3.43 (87.3) | #10 | 6.0 (2.72) |
| DL-12.8-25* | Single 115 V | 12.8 VCT @ 25 A / 6.4 VCT @ 50 A | B | 5.25 (133.4) x 4.25 (108.0) x 4.37 (111.1) | #10 | 12.5 (5.69) |
| DL-12.8-50* | Single 115 V | 12.8 VCT @ 50 A / 6.4 VCT @ 100 A | B | 5.25 (133.4) x 6.00 (152.4) x 4.37 (111.1) | 1/4 | 20.7 (9.39) |
| DL-12.8-100* | Single 115 V | 12.8 VCT @ 100 A / 6.4 VCT @ 200 A | B | 6.37 (162.0) x 7.25 (184.2) x 5.31 (134.9) | 1/4 | 34.5 (15.65) |
| DL-16-1 | Single 115 V | 16 VCT @ 1 A / 8 VCT @ 2 A | C | 2.87 (73.0) x 2.00 (50.8) x 2.31 (58.7) | #8 | 1.2 (.54) |
| DL-16-2 | Single 115 V | 16 VCT @ 2 A / 8 VCT @ 4 A | C | 3.12 (79.4) x 2.25 (57.2) x 2.75 (69.9) | #8 | 1.7 (.77) |
| DL-16-4 | Single 115 V | 16 VCT @ 4 A / 8 VCT @ 8 A | B | 3.37 (85.7) x 2.75 (69.9) x 2.81 (71.4) | #8 | 3.3 (1.50) |
| DL-16-6 | Single 115 V | 16 VCT @ 6 A / 8 VCT @ 12 A | B | 3.75 (95.3) x 3.12 (79.4) x 3.12 (79.4) | #10 | 4.5 (2.04) |
| DL-16-8 | Single 115 V | 16 VCT @ 8 A / 8 VCT @ 16 A | B | 3.75 (95.3) x 3.50 (89.0) x 3.12 (79.4) | #10 | 5.4 (2.45) |
| DL-16-12 | Single 115 V | 16 VCT @ 12 A / 8 VCT @ 24 A | B | 4.12 (104.8) x 3.87 (98.4) x 3.43 (87.3) | #10 | 7.9 (3.58) |
| DL-16-25 | Single 115 V | 16 VCT @ 25 A / 8 VCT @ 50 A | B | 4.50 (114.3) x 5.37 (136.5) x 3.75 (95.3) | #10 | 14.5 (6.58) |
| DL-16-50* | Single 115 V | 16 VCT @ 50 A / 8 VCT @ 100 A | B | 6.37 (162.0) x 5.70 (146.1) x 5.31 (134.9) | 1/4 | 26.5 (12.02) |
| DL-16-100* | Single 115 V | 16 VCT @ 100 A / 8 VCT @ 200 A | B | 7.50 (190.5) x 7.50 (190.5) x 6.37 (162.0) | 1/4 | 50.0 (22.68) |
| DL-24-1 | Single 115 V | 24 VCT @ 1 A / 12 VCT @ 2 A | B | 3.00 (76.2) x 2.50 (63.5) x 2.50 (63.5) | #8 | 2.3 (1.04) |
| DL-24-2 | Single 115 V | 24 VCT @ 2 A / 12 VCT @ 4 A | B | 3.00 (76.2) x 2.87 (73.0) x 2.50 (63.5) | #8 | 2.9 (1.32) |
| DL-24-4 | Single 115 V | 24 VCT @ 4 A / 12 VCT @ 8 A | B | 3.75 (95.3) x 3.12 (79.4) x 3.12 (79.4) | #8 | 4.5 (2.04) |
| DL-24-6 | Single 115 V | 24 VCT @ 6 A / 12 VCT @ 12 A | B | 4.12 (104.8) x 3.25 (82.6) x 3.43 (87.3) | #10 | 5.8 (2.63) |
| DL-24-8 | Single 115 V | 24 VCT @ 8 A / 12 VCT @ 16 A | B | 4.12 (104.8) x 3.87 (98.4) x 3.43 (87.3) | #10 | 7.9 (3.58) |
| DL-24-12* | Single 115 V | 24 VCT @ 12 A / 12 VCT @ 24 A | B | 4.50 (114.3) x 4.50 (114.3) x 3.75 (95.3) | #10 | 11.0 (4.99) |
| DL-24-20* | Single 115 V | 24 VCT @ 20 A / 12 VCT @ 40 A | B | 5.25 (133.4) x 4.75 (120.7) x 4.37 (111.1) | 1/4 | 15.3 (6.95) |
| DL-24-25* | Single 115 V | 24 VCT @ 25 A / 12 VCT @ 50 A | B | 5.25 (133.4) x 5.62 (142.9) x 4.37 (111.1) | 1/4 | 19.5 (8.85) |
| DL-24-50* | Single 115 V | 24 VCT @ 50 A / 12 VCT @ 100 A | B | 6.37 (162.0) x 6.25 (158.8) x 5.31 (134.9) | 1/4 | 31.3 (14.20) |
| - 24-100 | Dual 115/230 V | 24 VCT @ 100 A / 12 VCT @ 200 A | B | 7.50 (190.5) x 7.00 (177.8) x 6.37 (162.0) | 1/4 | 43.0 (19.5) |
| DL-36-1 | Single 115 V | 36 VCT @ 1 A / 18 VCT @ 2 A | B | 3.00 (76.2) x 2.75 (69.9) x 2.50 (63.5) | #8 | 2.6 (1.18) |
| DL-36-2 | Single 115 V | 36 VCT @ 2 A / 18 VCT @ 4 A | B | 3.37 (85.7) x 2.93 (74.6) x 2.81 (71.4) | #8 | 3.8 (1.72) |
| DL-36-4 | Single 115 V | 36 VCT @ 4 A / 18 VCT @ 8 A | B | 4.12 (104.8) x 3.37 (85.7) x 3.43 (87.3) | #10 | 6.8 (3.08) |
| DL-36-6 | Single 115 V | 36 VCT @ 6 A / 18 VCT @ 12 A | B | 4.50 (114.3) x 3.75 (95.3) x 3.75 (95.3) | #10 | 8.7 (3.95) |
| DL-36-8* | Single 115 V | 36 VCT @ 8 A / 18 VCT @ 16 A | B | 4.50 (114.3) x 4.50 (114.3) x 3.75 (95.3) | #10 | 11.0 (4.99) |
| DL-36-12* | Single 115 V | 36 VCT @ 12 A / 18 VCT @ 24 A | B | 5.25 (133.4) x 5.00 (127.0) x 4.37 (111.1) | 1/4 | 15.0 (6.80) |
| DL-36-20* | Single 115 V | 36 VCT @ 20 A / 18 VCT @ 40 A | B | 6.37 (162.0) x 5.37 (136.5) x 5.31 (134.9) | 1/4 | 22.8 (10.34) |
| DL-36-25* | Single 115 V | 36 VCT @ 25 A / 18 VCT @ 50 A | B | 6.37 (162.0) x 5.75 (146.1) x 5.31 (134.9) | 1/4 | 26.5 (12.02) |
| DL-36-30* | Single 115 V | 36 VCT @ 30 A / 18 VCT @ 60 A | B | 6.37 (162.0) x 6.00 (152.4) x 5.31 (134.9) | 1/4 | 31.5 (14.28) |
| - 36-50 | Dual 115/230 V | 36 VCT @ 50 A / 18 VCT @ 100 A | B | 6.37 (162.0) x 7.25 (184.2) x 5.31 (134.9) | 1/4 | 40.0 (18.14) |
| DL-56-1 | Single 115 V | 56 VCT @ 1 A / 28 VCT @ 2 A | B | 3.37 (85.7) x 2.87 (73.0) x 2.81 (71.4) | #8 | 3.5 (1.59) |
| DL-56-2 | Single 115 V | 56 VCT @ 2 A / 28 VCT @ 4 A | B | 3.75 (95.3) x 3.25 (82.6) x 3.12 (79.4) | #8 | 5.0 (2.27) |
| DL-56-4 | Single 115 V | 56 VCT @ 4 A / 28 VCT @ 8 A | B | 4.12 (104.8) x 3.75 (95.3) x 3.43 (87.3) | #10 | 7.7 (3.49) |
| DL-56-6 | Single 115 V | 56 VCT @ 6 A / 28 VCT @ 12 A | B | 5.25 (133.4) x 4.25 (108.0) x 4.37 (111.1) | #10 | 12.0 (5.44) |
| DL-56-8* | Single 115 V | 56 VCT @ 8 A / 28 VCT @ 16 A | B | 5.25 (133.4) x 5.00 (127.0) x 4.37 (111.1) | 1/4 | 17.0 (7.71) |
| DL-56-12* | Single 115 V | 56 VCT @ 12 A / 28 VCT @ 24 A | B | 6.37 (162.0) x 5.25 (133.4) x 5.31 (134.9) | 1/4 | 22.0 (9.98) |
| DL-56-25* | Single 115 V | 56 VCT @ 25 A / 28 VCT @ 50 A | B | 6.37 (162.0) x 7.12 (181.0) x 5.31 (134.9) | 1/4 | 38.0 (17.24) |
| - 56-50 | Dual 115/230 V | 56 VCT @ 50 A / 28 VCT @ 100 A | B | 7.50 (190.5) x 7.50 (190.5) x 6.24 (158.8) | 1/4 | 56.3 (25.54) |
| DL-68-1 | Single 115 V | 68 VCT @ 1 A / 34 VCT @ 2 A | B | 3.37 (85.7) x 2.93 (74.6) x 2.81 (71.4) | #8 | 3.8 (1.72) |
| DL-68-2 | Single 115 V | 68 VCT @ 2 A / 34 VCT @ 4 A | B | 4.12 (104.8) x 3.37 (85.7) x 3.43 (87.3) | #10 | 6.8 (3.08) |
| DL-68-4 | Single 115 V | 68 VCT @ 4 A / 34 VCT @ 8 A | B | 4.50 (114.3) x 4.50 (114.3) x 3.75 (95.3) | #10 | 11.5 (5.22) |
| DL-68-6* | Single 115 V | 68 VCT @ 6 A / 34 VCT @ 12 A | B | 5.25 (133.4) x 5.00 (127.0) x 4.37 (111.1) | 1/4 | 15.0 (6.80) |
| DL-68-8* | Single 115 V | 68 VCT @ 8 A / 34 VCT @ 16 A | B | 5.25 (133.4) x 5.50 (139.7) x 4.37 (111.1) | 1/4 | 19.0 (8.62) |
| DL-68-12* | Single 115 V | 68 VCT @ 12 A / 34 VCT @ 24 A | B | 6.37 (162.0) x 5.75 (146.1) x 5.31 (134.9) | 1/4 | 26.5 (12.02) |
| - 68-25 | Dual 115/230 V | 68 VCT @ 25 A / 34 VCT @ 50 A | B | 6.37 (162.0) x 7.25 (184.2) x 5.31 (134.9) | 1/4 | 39.7 (18.01) |
| DL-80-1 | Single 115 V | 80 VCT @ 1 A / 40 VCT @ 2 A | B | 3.37 (85.7) x 3.06 (77.7) x 2.81 (71.4) | #8 | 4.0 (1.81) |
| DL-80-2 | Single 115 V | 80 VCT @ 2 A / 40 VCT @ 4 A | B | 4.12 (104.8) x 3.37 (85.7) x 3.43 (87.3) | #10 | 6.8 (3.08) |
| DL-80-4 | Single 115 V | 80 VCT @ 4 A / 40 VCT @ 8 A | B | 5.25 (133.4) x 4.25 (108.0) x 4.37 (111.1) | 1/4 | 12.3 (5.58) |
| DL-80-6* | Single 115 V | 80 VCT @ 6 A / 40 VCT @ 12 A | B | 5.25 (133.4) x 5.50 (139.7) x 4.37 (111.1) | 1/4 | 19.0 (8.62) |
| DL-80-8* | Single 115 V | 80 VCT @ 8 A / 40 VCT @ 16 A | B | 6.37 (162.0) x 5.25 (133.4) x 5.31 (134.9) | 1/4 | 20.5 (9.30) |
| DL-80-12* | Single 115 V | 80 VCT @ 12 A / 40 VCT @ 24 A | B | 6.37 (162.0) x 6.00 (152.4) x 5.31 (134.9) | 1/4 | 29.0 (13.15) |
| - 80-25 | Dual 115/230 V | 80 VCT @ 25 A / 40 VCT @ 50 A | B | 7.50 (190.5) x 6.50 (165.1) x 6.25 (158.8) | 1/4 | 40.3 (18.28) |
* Nominal 115V primary has added taps, i.e., 105/115/125 V; Dual (DL) version is 115/230 V only.
Available with dual primary only. Therefore, prefix DL is not required.
2411272145_Bel-Fuse-56-1_C17678991.pdf
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