Product Overview
The Signal 241 Series Chassis Mount Power Transformers feature a split bobbin construction designed to provide superior isolation and low capacitive coupling. These transformers are suitable for a wide range of applications requiring reliable power conversion. They are UL recognized and CSA certified, ensuring compliance with industry standards. Custom versions are available upon request.
Product Attributes
- Brand: Signal Transformer (by 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
- Origin: USA (implied by address)
Technical Specifications
| Feature | Specification |
|---|---|
| Power Rating | 2.4 VA to 100 VA |
| Dielectric Strength | 2500 Vrms Hipot |
| Primary Configurations | Single or Dual (115 V or 115/230 V - 50/60 Hz) |
| Secondary Configuration | Single center tapped secondary |
| Terminals | Solder lug / quick connect type |
| Agency Certification Reference | UL 1446 E66312 |
241 Series Part Number Selection
| Part Number | Secondary RMS Rating | Part Number | Secondary RMS Rating | ||
|---|---|---|---|---|---|
| Single 115 V | Dual 115 / 230 V | Single 115 V | Dual 115 / 230 V | ||
| 241-3-10 | Not Available | 10.0 VCT @ 0.25 A | 241-3-28 | Not Available | 28 VCT @ 0.085 A |
| 241-4-10 | DP-241-4-10 | 10.0 VCT @ 0.60 A | 241-4-28 | DP-241-4-28 | 28 VCT @ 0.20 A |
| 241-5-10 | DP-241-5-10 | 10.0 VCT @ 1.2 A | 241-5-28 | DP-241-5-28 | 28 VCT @ 0.42 A |
| 241-6-10 | DP-241-6-10 | 10.0 VCT @ 3.0 A | 241-6-28 | DP-241-6-28 | 28 VCT @ 1.1 A |
| 241-7-10 | DP-241-7-10 | 10.0 VCT @ 5.0 A | 241-7-28 | DP-241-7-28 | 28 VCT @ 2.0 A |
| 241-8-10 | DP-241-8-10 | 10.0 VCT @ 10 A | 241-8-28 | DP-241-8-28 | 28 VCT @ 3.6 A |
| 241-3-12 | Not Available | 12.6 VCT @ 0.20 A | 241-3-36 | Not Available | 36 VCT @ 0.065 A |
| 241-4-12 | DP-241-4-12 | 12.6 VCT @ 0.50 A | 241-4-36 | DP-241-4-36 | 36 VCT @ 0.17 A |
| 241-5-12 | DP-241-5-12 | 12.6 VCT @ 1.0 A | 241-5-36 | DP-241-5-36 | 36 VCT @ 0.35 A |
| 241-6-12 | DP-241-6-12 | 12.6 VCT @ 2.5 A | 241-6-36 | DP-241-6-36 | 36 VCT @ 0.85 A |
| 241-7-12 | DP-241-7-12 | 12.6 VCT @ 4.0 A | 241-7-36 | DP-241-7-36 | 36 VCT @ 1.5 A |
| 241-8-12 | DP-241-8-12 | 12.6 VCT @ 8.0 A | 241-8-36 | DP-241-8-36 | 36 VCT @ 2.8 A |
| 241-3-16 | Not Available | 16.0 VCT @ 0.15 A | 241-3-48 | Not Available | 48 VCT @ 0.05 A |
| 241-4-16 | DP-241-4-16 | 16.0 VCT @ 0.40 A | 241-4-48 | DP-241-4-48 | 48 VCT @ 0.125 A |
| 241-5-16 | DP-241-5-16 | 16.0 VCT @ 0.80 A | 241-5-48 | DP-241-5-48 | 48 VCT @ 0.25 A |
| 241-6-16 | DP-241-6-16 | 16.0 VCT @ 2.0 A | 241-6-48 | DP-241-6-48 | 48 VCT @ 0.63 A |
| 241-7-16 | DP-241-7-16 | 16.0 VCT @ 3.5 A | 241-7-48 | DP-241-7-48 | 48 VCT @ 1.2 A |
| 241-8-16 | DP-241-8-16 | 16.0 VCT @ 6.25 A | 241-8-48 | DP-241-8-48 | 48 VCT @ 2.0 A |
| 241-3-20 | Not Available | 20.0 VCT @ 0.12 A | 241-3-56 | Not Available | 56 VCT @ 0.045 A |
| 241-4-20 | DP-241-4-20 | 20.0 VCT @ 0.30 A | 241-4-56 | DP-241-4-56 | 56 VCT @ 0.11 A |
| 241-5-20 | DP-241-5-20 | 20.0 VCT @ 0.60 A | 241-5-56 | DP-241-5-56 | 56 VCT @ 0.22 A |
| 241-6-20 | DP-241-6-20 | 20.0 VCT @ 1.5 A | 241-6-56 | DP-241-6-56 | 56 VCT @ 0.54 A |
| 241-7-20 | DP-241-7-20 | 20.0 VCT @ 2.8 A | 241-7-56 | DP-241-7-56 | 56 VCT @ 1.00 A |
| 241-8-20 | DP-241-8-20 | 20.0 VCT @ 5.0 A | 241-8-56 | DP-241-8-56 | 56 VCT @ 1.8 A |
| 241-3-24 | Not Available | 24.0 VCT @ 0.10 A | 241-3-120 | Not Available | 120 VCT @ 0.02 A |
| 241-4-24 | DP-241-4-24 | 24.0 VCT @ 0.25 A | 241-4-120 | DP-241-4-120 | 120 VCT @ 0.05 A |
| 241-5-24 | DP-241-5-24 | 24.0 VCT @ 0.50 A | 241-5-120 | DP-241-5-120 | 120 VCT @ 0.10 A |
| 241-6-24 | DP-241-6-24 | 24.0 VCT @ 1.25 A | 241-6-120 | DP-241-6-120 | 120 VCT @ 0.25 A |
| 241-7-24 | DP-241-7-24 | 24.0 VCT @ 2.4 A | 241-7-120 | DP-241-7-120 | 120 VCT @ 0.50 A |
| 241-8-24 | DP-241-8-24 | 24.0 VCT @ 4.0 A | 241-8-120 | DP-241-8-120 | 120 VCT @ 0.85 A |
241 Series Mechanical Specifications
| Size VA | Dimensions (Inches/mm) | Weight (lbs/kg) |
|---|---|---|
| L x W x H | ML (typ) | |
| 3 (2.4) | 2.07 (52.6) x 1.17 (29.6) x 1.23 (31.2) | 0.25 (0.11) |
| 4 (6) | 2.37 (60.3) x 1.31 (33.3) x 1.43 (36.2) | 0.44 (0.20) |
| 5 (12) | 2.81 (71.4) x 1.43 (36.3) x 1.69 (42.8) | 0.7 (0.32) |
| 6 (30) | 3.25 (82.6) x 1.74 (44.3) x 1.96 (49.8) | 1.1 (0.50) |
| 7 (56) | 3.68 (93.5) x 1.94 (49.2) x 2.28 (57.8) | 1.7 (0.77) |
| 8 (100) | 4.03 (102.4) x 2.30 (58.5) x 2.58 (65.5) | 2.75 (1.25) |
Wiring Diagram Notes:
- 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.
Contact Information:
Bel Fuse Inc.
128 Atlantic Avenue, Lynbrook, NY 11563
Toll Free: 866-239-5777 | Tel: 516-239-5777 | Fax: 516-239-7208
Email: sales@signaltransformer.com | techhelp@signaltransformer.com
Specifications subject to change without notice. 2019 Signal Transformer.
2411272146_Bel-Fuse-241-5-56_C17568214.pdf
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