Product Overview
The Signal 241 Series Two-4-One Power Transformers are designed for chassis mounting and feature a split bobbin construction that provides 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 |
Part Number Selection & Secondary Ratings:
| Part Number Base | Single 115 V | Dual 115 / 230 V | |||
|---|---|---|---|---|---|
| Secondary RMS Rating | Current (A) | Secondary RMS Rating | Current (A) | ||
| 241-3 | Not Available | - | 10.0 VCT | 0.25 | |
| 241-3 | Not Available | - | 12.6 VCT | 0.20 | |
| 241-3 | Not Available | - | 16.0 VCT | 0.15 | |
| 241-3 | Not Available | - | 20.0 VCT | 0.12 | |
| 241-3 | Not Available | - | 24.0 VCT | 0.10 | |
| 241-3 | Not Available | - | 28.0 VCT | 0.085 | |
| 241-3 | Not Available | - | 36.0 VCT | 0.065 | |
| 241-3 | Not Available | - | 48.0 VCT | 0.05 | |
| 241-3 | Not Available | - | 56.0 VCT | 0.045 | |
| 241-3 | Not Available | - | 120.0 VCT | 0.02 | |
| 241-4 | 10.0 VCT | 0.60 | DP-241-4-10 | 10.0 VCT | 0.60 |
| 241-4 | 12.6 VCT | 0.50 | DP-241-4-12 | 12.6 VCT | 0.50 |
| 241-4 | 16.0 VCT | 0.40 | DP-241-4-16 | 16.0 VCT | 0.40 |
| 241-4 | 20.0 VCT | 0.30 | DP-241-4-20 | 20.0 VCT | 0.30 |
| 241-4 | 24.0 VCT | 0.25 | DP-241-4-24 | 24.0 VCT | 0.25 |
| 241-4 | 28.0 VCT | 0.20 | DP-241-4-28 | 28.0 VCT | 0.20 |
| 241-4 | 36.0 VCT | 0.17 | DP-241-4-36 | 36.0 VCT | 0.17 |
| 241-4 | 48.0 VCT | 0.125 | DP-241-4-48 | 48.0 VCT | 0.125 |
| 241-4 | 56.0 VCT | 0.11 | DP-241-4-56 | 56.0 VCT | 0.11 |
| 241-4 | 120.0 VCT | 0.05 | DP-241-4-120 | 120.0 VCT | 0.05 |
| 241-5 | 10.0 VCT | 1.2 | DP-241-5-10 | 10.0 VCT | 1.2 |
| 241-5 | 12.6 VCT | 1.0 | DP-241-5-12 | 12.6 VCT | 1.0 |
| 241-5 | 16.0 VCT | 0.80 | DP-241-5-16 | 16.0 VCT | 0.80 |
| 241-5 | 20.0 VCT | 0.60 | DP-241-5-20 | 20.0 VCT | 0.60 |
| 241-5 | 24.0 VCT | 0.50 | DP-241-5-24 | 24.0 VCT | 0.50 |
| 241-5 | 28.0 VCT | 0.42 | DP-241-5-28 | 28.0 VCT | 0.42 |
| 241-5 | 36.0 VCT | 0.35 | DP-241-5-36 | 36.0 VCT | 0.35 |
| 241-5 | 48.0 VCT | 0.25 | DP-241-5-48 | 48.0 VCT | 0.25 |
| 241-5 | 56.0 VCT | 0.22 | DP-241-5-56 | 56.0 VCT | 0.22 |
| 241-5 | 120.0 VCT | 0.10 | DP-241-5-120 | 120.0 VCT | 0.10 |
| 241-6 | 10.0 VCT | 3.0 | DP-241-6-10 | 10.0 VCT | 3.0 |
| 241-6 | 12.6 VCT | 2.5 | DP-241-6-12 | 12.6 VCT | 2.5 |
| 241-6 | 16.0 VCT | 2.0 | DP-241-6-16 | 16.0 VCT | 2.0 |
| 241-6 | 20.0 VCT | 1.5 | DP-241-6-20 | 20.0 VCT | 1.5 |
| 241-6 | 24.0 VCT | 1.25 | DP-241-6-24 | 24.0 VCT | 1.25 |
| 241-6 | 28.0 VCT | 1.1 | DP-241-6-28 | 28.0 VCT | 1.1 |
| 241-6 | 36.0 VCT | 0.85 | DP-241-6-36 | 36.0 VCT | 0.85 |
| 241-6 | 48.0 VCT | 0.63 | DP-241-6-48 | 48.0 VCT | 0.63 |
| 241-6 | 56.0 VCT | 0.54 | DP-241-6-56 | 56.0 VCT | 0.54 |
| 241-6 | 120.0 VCT | 0.25 | DP-241-6-120 | 120.0 VCT | 0.25 |
| 241-7 | 10.0 VCT | 5.0 | DP-241-7-10 | 10.0 VCT | 5.0 |
| 241-7 | 12.6 VCT | 4.0 | DP-241-7-12 | 12.6 VCT | 4.0 |
| 241-7 | 16.0 VCT | 3.5 | DP-241-7-16 | 16.0 VCT | 3.5 |
| 241-7 | 20.0 VCT | 2.8 | DP-241-7-20 | 20.0 VCT | 2.8 |
| 241-7 | 24.0 VCT | 2.4 | DP-241-7-24 | 24.0 VCT | 2.4 |
| 241-7 | 28.0 VCT | 2.0 | DP-241-7-28 | 28.0 VCT | 2.0 |
| 241-7 | 36.0 VCT | 1.5 | DP-241-7-36 | 36.0 VCT | 1.5 |
| 241-7 | 48.0 VCT | 1.2 | DP-241-7-48 | 48.0 VCT | 1.2 |
| 241-7 | 56.0 VCT | 1.00 | DP-241-7-56 | 56.0 VCT | 1.00 |
| 241-7 | 120.0 VCT | 0.50 | DP-241-7-120 | 120.0 VCT | 0.50 |
| 241-8 | 10.0 VCT | 10 | DP-241-8-10 | 10.0 VCT | 10 |
| 241-8 | 12.6 VCT | 8.0 | DP-241-8-12 | 12.6 VCT | 8.0 |
| 241-8 | 16.0 VCT | 6.25 | DP-241-8-16 | 16.0 VCT | 6.25 |
| 241-8 | 20.0 VCT | 5.0 | DP-241-8-20 | 20.0 VCT | 5.0 |
| 241-8 | 24.0 VCT | 4.0 | DP-241-8-24 | 24.0 VCT | 4.0 |
| 241-8 | 28.0 VCT | 3.6 | DP-241-8-28 | 28.0 VCT | 3.6 |
| 241-8 | 36.0 VCT | 2.8 | DP-241-8-36 | 36.0 VCT | 2.8 |
| 241-8 | 48.0 VCT | 2.0 | DP-241-8-48 | 48.0 VCT | 2.0 |
| 241-8 | 56.0 VCT | 1.8 | DP-241-8-56 | 56.0 VCT | 1.8 |
| 241-8 | 120.0 VCT | 0.85 | DP-241-8-120 | 120.0 VCT | 0.85 |
Mechanical Specifications:
| Size VA | Dimensions Inches (mm) | Weight lbs (kg) | |||||
|---|---|---|---|---|---|---|---|
| L | W | H | A | B | ML (typ) | ||
| 3 (2.4) | 2.07 (52.6) | 1.17 (29.6) | 1.23 (31.2) | 1.62 (41.3) | 0.59 (15.0) | 1.75 (44.5) | 0.25 (0.11) |
| 4 (6) | 2.37 (60.3) | 1.31 (33.3) | 1.43 (36.2) | 1.71 (43.4) | 0.72 (18.3) | 2.00 (50.8) | 0.44 (0.20) |
| 5 (12) | 2.81 (71.4) | 1.43 (36.3) | 1.69 (42.8) | 1.97 (49.9) | 0.89 (22.6) | 2.37 (60.3) | 0.7 (0.32) |
| 6 (30) | 3.25 (82.6) | 1.74 (44.3) | 1.96 (49.8) | 2.35 (59.7) | 1.14 (28.9) | 2.81 (71.4) | 1.1 (0.50) |
| 7 (56) | 3.68 (93.5) | 1.94 (49.2) | 2.28 (57.8) | 2.70 (68.4) | 1.14 (28.9) | 3.12 (79.4) | 1.7 (0.77) |
| 8 (100) | 4.03 (102.4) | 2.30 (58.5) | 2.58 (65.5) | 3.08 (78.2) | 1.43 (36.2) | 3.56 (90.4) | 2.75 (1.25) |
Wiring Diagram Note:
- 115V 50/60 Hz CT Single Primary: S1 indicates like polarity.
- 115/230V 50/60 Hz Dual Primary: F1, F2, S1, S2 indicate connections.
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-241-6-10_C17390643.pdf
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