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Specifications
Secondary Winding:
1
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
1
Secondary Side Voltage:
20V
Output Current:
2.8A
Primary Side Voltage:
115V
Mfr. Part #:
241-7-20
Package:
Screw Terminals
Key Attributes
Model Number:
241-7-20
Product Description
Product Overview
The Signal 241 Series Two-4-One Power Transformers are chassis mount transformers designed with a split bobbin construction for superior isolation and low capacitive coupling. These transformers are suitable for a wide range of applications requiring reliable power conversion.
Product Attributes
- Brand: Signal Transformer (Bel Fuse)
- Construction: Split Bobbin
- Insulation Class: Class B (130 C)
- Agency Certifications: UL recognized to UL 506 / UL 5085-1 (File # E63829), CSA certified to C22.2 #66.1 (File # 221070)
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
General Specifications:
| Specification | Value |
|---|---|
| Power Rating | 2.4 VA to 100 VA |
| Dielectric Strength | 2500 Vrms Hipot |
| Primary Options | Single or dual primaries (115 V or 115/230 V - 50/60 Hz) |
| Secondary | Single center tapped secondary |
| Terminals | Solder lug / quick connect type terminals |
Part Number Selection:
| Part Number (Single 115 V) | Secondary RMS Rating (Single 115 V) | Part Number (Dual 115/230 V) | Secondary RMS Rating (Dual 115/230 V) | VA Rating |
|---|---|---|---|---|
| 241-3-10 | Not Available | DP-241-4-10 | 10.0 VCT @ 0.25 A | 2.4 |
| 241-3-12 | Not Available | DP-241-4-12 | 12.6 VCT @ 0.20 A | 2.4 |
| 241-3-16 | Not Available | DP-241-4-16 | 16.0 VCT @ 0.15 A | 2.4 |
| 241-3-20 | Not Available | DP-241-4-20 | 20.0 VCT @ 0.12 A | 2.4 |
| 241-3-24 | Not Available | DP-241-4-24 | 24.0 VCT @ 0.10 A | 2.4 |
| 241-3-28 | Not Available | DP-241-4-28 | 28 VCT @ 0.085 A | 2.4 |
| 241-3-36 | Not Available | DP-241-4-36 | 36 VCT @ 0.065 A | 2.4 |
| 241-3-48 | Not Available | DP-241-4-48 | 48 VCT @ 0.05 A | 2.4 |
| 241-3-56 | Not Available | DP-241-4-56 | 56 VCT @ 0.045 A | 2.4 |
| 241-3-120 | Not Available | DP-241-4-120 | 120 VCT @ 0.02 A | 2.4 |
| 241-4-10 | 10.0 VCT @ 0.60 A | DP-241-5-10 | 10.0 VCT @ 1.2 A | 6 |
| 241-4-12 | 12.6 VCT @ 0.50 A | DP-241-5-12 | 12.6 VCT @ 1.0 A | 6 |
| 241-4-16 | 16.0 VCT @ 0.40 A | DP-241-5-16 | 16.0 VCT @ 0.80 A | 6 |
| 241-4-20 | 20.0 VCT @ 0.30 A | DP-241-5-20 | 20.0 VCT @ 0.60 A | 6 |
| 241-4-24 | 24.0 VCT @ 0.25 A | DP-241-5-24 | 24.0 VCT @ 0.50 A | 6 |
| 241-4-28 | 28 VCT @ 0.20 A | DP-241-5-28 | 28 VCT @ 0.42 A | 6 |
| 241-4-36 | 36 VCT @ 0.17 A | DP-241-5-36 | 36 VCT @ 0.35 A | 6 |
| 241-4-48 | 48 VCT @ 0.125 A | DP-241-5-48 | 48 VCT @ 0.25 A | 6 |
| 241-4-56 | 56 VCT @ 0.11 A | DP-241-5-56 | 56 VCT @ 0.22 A | 6 |
| 241-4-120 | 120 VCT @ 0.05 A | DP-241-5-120 | 120 VCT @ 0.10 A | 6 |
| 241-6-10 | 10.0 VCT @ 3.0 A | DP-241-6-10 | 10.0 VCT @ 6.0 A | 30 |
| 241-6-12 | 12.6 VCT @ 2.5 A | DP-241-6-12 | 12.6 VCT @ 5.0 A | 30 |
| 241-6-16 | 16.0 VCT @ 2.0 A | DP-241-6-16 | 16.0 VCT @ 4.0 A | 30 |
| 241-6-20 | 20.0 VCT @ 1.5 A | DP-241-6-20 | 20.0 VCT @ 3.0 A | 30 |
| 241-6-24 | 24.0 VCT @ 1.25 A | DP-241-6-24 | 24.0 VCT @ 2.5 A | 30 |
| 241-6-28 | 28 VCT @ 1.1 A | DP-241-6-28 | 28 VCT @ 2.2 A | 30 |
| 241-6-36 | 36 VCT @ 0.85 A | DP-241-6-36 | 36 VCT @ 1.7 A | 30 |
| 241-6-48 | 48 VCT @ 0.63 A | DP-241-6-48 | 48 VCT @ 1.25 A | 30 |
| 241-6-56 | 56 VCT @ 0.54 A | DP-241-6-56 | 56 VCT @ 1.08 A | 30 |
| 241-6-120 | 120 VCT @ 0.25 A | DP-241-6-120 | 120 VCT @ 0.50 A | 30 |
| 241-7-10 | 10.0 VCT @ 5.0 A | DP-241-7-10 | 10.0 VCT @ 10.0 A | 56 |
| 241-7-12 | 12.6 VCT @ 4.0 A | DP-241-7-12 | 12.6 VCT @ 8.0 A | 56 |
| 241-7-16 | 16.0 VCT @ 3.5 A | DP-241-7-16 | 16.0 VCT @ 7.0 A | 56 |
| 241-7-20 | 20.0 VCT @ 2.8 A | DP-241-7-20 | 20.0 VCT @ 5.6 A | 56 |
| 241-7-24 | 24.0 VCT @ 2.4 A | DP-241-7-24 | 24.0 VCT @ 4.8 A | 56 |
| 241-7-28 | 28 VCT @ 2.0 A | DP-241-7-28 | 28 VCT @ 4.0 A | 56 |
| 241-7-36 | 36 VCT @ 1.5 A | DP-241-7-36 | 36 VCT @ 3.0 A | 56 |
| 241-7-48 | 48 VCT @ 1.2 A | DP-241-7-48 | 48 VCT @ 2.4 A | 56 |
| 241-7-56 | 56 VCT @ 1.00 A | DP-241-7-56 | 56 VCT @ 2.00 A | 56 |
| 241-7-120 | 120 VCT @ 0.50 A | DP-241-7-120 | 120 VCT @ 1.00 A | 56 |
| 241-8-10 | 10.0 VCT @ 10 A | DP-241-8-10 | 10.0 VCT @ 20 A | 100 |
| 241-8-12 | 12.6 VCT @ 8.0 A | DP-241-8-12 | 12.6 VCT @ 16.0 A | 100 |
| 241-8-16 | 16.0 VCT @ 6.25 A | DP-241-8-16 | 16.0 VCT @ 12.5 A | 100 |
| 241-8-20 | 20.0 VCT @ 5.0 A | DP-241-8-20 | 20.0 VCT @ 10.0 A | 100 |
| 241-8-24 | 24.0 VCT @ 4.0 A | DP-241-8-24 | 24.0 VCT @ 8.0 A | 100 |
| 241-8-28 | 28 VCT @ 3.6 A | DP-241-8-28 | 28 VCT @ 7.2 A | 100 |
| 241-8-36 | 36 VCT @ 2.8 A | DP-241-8-36 | 36 VCT @ 5.6 A | 100 |
| 241-8-48 | 48 VCT @ 2.0 A | DP-241-8-48 | 48 VCT @ 4.0 A | 100 |
| 241-8-56 | 56 VCT @ 1.8 A | DP-241-8-56 | 56 VCT @ 3.6 A | 100 |
| 241-8-120 | 120 VCT @ 0.85 A | DP-241-8-120 | 120 VCT @ 1.7 A | 100 |
Mechanical Specifications:
| Size (VA) | Dimensions (Inches) | Dimensions (mm) | Weight (lbs) | Weight (kg) |
|---|---|---|---|---|
| 3 (2.4) | L: 2.07, W: 1.17, H: 1.23, A: 1.62, B: 0.59, ML: 1.75 | L: 52.6, W: 29.6, H: 31.2, A: 41.3, B: 15.0, ML: 44.5 | 0.25 | 0.11 |
| 4 (6) | L: 2.37, W: 1.31, H: 1.43, A: 1.71, B: 0.72, ML: 2.00 | L: 60.3, W: 33.3, H: 36.2, A: 43.4, B: 18.3, ML: 50.8 | 0.44 | 0.20 |
| 5 (12) | L: 2.81, W: 1.43, H: 1.69, A: 1.97, B: 0.89, ML: 2.37 | L: 71.4, W: 36.3, H: 42.8, A: 49.9, B: 22.6, ML: 60.3 | 0.7 | 0.32 |
| 6 (30) | L: 3.25, W: 1.74, H: 1.96, A: 2.35, B: 1.14, ML: 2.81 | L: 82.6, W: 44.3, H: 49.8, A: 59.7, B: 28.9, ML: 71.4 | 1.1 | 0.50 |
| 7 (56) | L: 3.68, W: 1.94, H: 2.28, A: 2.70, B: 1.14, ML: 3.12 | L: 93.5, W: 49.2, H: 57.8, A: 68.4, B: 28.9, ML: 79.4 | 1.7 | 0.77 |
| 8 (100) | L: 4.03, W: 2.30, H: 2.58, A: 3.08, B: 1.43, ML: 3.56 | L: 102.4, W: 58.5, H: 65.5, A: 78.2, B: 36.2, ML: 90.4 | 2.75 | 1.25 |
Note: CLEARANCE FOR #8 SCREW
Wiring Diagrams:
- 115V 50/60 Hz CT Single Primary: S1 Indicates like polarity
- 115/230V 50/60 Hz Dual Primary: F1, F2, S1, S2
- 115V 50/60 Hz CT Single Primary: (Diagram implied, details not provided)
Note: Agency certified 241 Series transformers with standard length and color lead wires are readily available. See website for 241-L product series.
2411272146_Bel-Fuse-241-7-20_C17558933.pdf
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