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Specifications
Secondary Winding:
1
Isolation Voltage(Vrms):
2.5kV
Primary Winding(s):
1
Secondary Side Voltage:
28V
Output Current:
2A
Primary Side Voltage:
115V
Mfr. Part #:
241-7-28
Package:
Screw Terminals
Key Attributes
Model Number:
241-7-28
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 UL recognized and CSA certified, offering reliable performance for various applications. Available in power ratings from 2.4 VA to 100 VA, they feature single or dual primaries and a single center-tapped secondary. Custom versions are available upon request.
Product Attributes
- Brand: Signal
- Series: 241 Series Two-4-One
- Construction: Split Bobbin
- Certifications: UL recognized to UL 506 / UL 5085-1 (File # E63829), CSA certified to C22.2 #66.1 (File # 221070)
- Insulation Class: Class B (130 C)
- Agency Certifications: UL 1446 E66312
- Compliance: RoHS Compliant
- Origin: USA (implied by address)
Technical Specifications
| Specification | Details |
|---|---|
| Power Ratings | 2.4 VA to 100 VA |
| Dielectric Strength | 2500 Vrms Hipot |
| Primary Configurations | Single or dual primaries (115 V or 115/230 V - 50/60 Hz) |
| Secondary Configuration | Single center tapped secondary |
| Terminals | Solder lug / quick connect type terminals |
| Insulation Class | Class B (130 C) |
241 Series 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) |
|---|---|---|---|
| 241-3-10 | Not Available | DP-241-3-10 | 10.0 VCT @ 0.25 A |
| 241-3-12 | Not Available | DP-241-3-12 | 12.6 VCT @ 0.20 A |
| 241-3-16 | Not Available | DP-241-3-16 | 16.0 VCT @ 0.15 A |
| 241-3-20 | Not Available | DP-241-3-20 | 20.0 VCT @ 0.12 A |
| 241-3-24 | Not Available | DP-241-3-24 | 24.0 VCT @ 0.10 A |
| 241-3-28 | Not Available | DP-241-3-28 | 28 VCT @ 0.085 A |
| 241-3-36 | Not Available | DP-241-3-36 | 36 VCT @ 0.065 A |
| 241-3-48 | Not Available | DP-241-3-48 | 48 VCT @ 0.05 A |
| 241-3-56 | Not Available | DP-241-3-56 | 56 VCT @ 0.045 A |
| 241-3-120 | Not Available | DP-241-3-120 | 120 VCT @ 0.02 A |
| 241-4-10 | 10.0 VCT @ 0.60 A | DP-241-4-10 | 10.0 VCT @ 0.60 A |
| 241-4-12 | 12.6 VCT @ 0.50 A | DP-241-4-12 | 12.6 VCT @ 0.50 A |
| 241-4-16 | 16.0 VCT @ 0.40 A | DP-241-4-16 | 16.0 VCT @ 0.40 A |
| 241-4-20 | 20.0 VCT @ 0.30 A | DP-241-4-20 | 20.0 VCT @ 0.30 A |
| 241-4-24 | 24.0 VCT @ 0.25 A | DP-241-4-24 | 24.0 VCT @ 0.25 A |
| 241-4-28 | 28 VCT @ 0.20 A | DP-241-4-28 | 28 VCT @ 0.20 A |
| 241-4-36 | 36 VCT @ 0.17 A | DP-241-4-36 | 36 VCT @ 0.17 A |
| 241-4-48 | 48 VCT @ 0.125 A | DP-241-4-48 | 48 VCT @ 0.125 A |
| 241-4-56 | 56 VCT @ 0.11 A | DP-241-4-56 | 56 VCT @ 0.11 A |
| 241-4-120 | 120 VCT @ 0.05 A | DP-241-4-120 | 120 VCT @ 0.05 A |
| 241-5-10 | 10.0 VCT @ 1.2 A | DP-241-5-10 | 10.0 VCT @ 1.2 A |
| 241-5-12 | 12.6 VCT @ 1.0 A | DP-241-5-12 | 12.6 VCT @ 1.0 A |
| 241-5-16 | 16.0 VCT @ 0.80 A | DP-241-5-16 | 16.0 VCT @ 0.80 A |
| 241-5-20 | 20.0 VCT @ 0.60 A | DP-241-5-20 | 20.0 VCT @ 0.60 A |
| 241-5-24 | 24.0 VCT @ 0.50 A | DP-241-5-24 | 24.0 VCT @ 0.50 A |
| 241-5-28 | 28 VCT @ 0.42 A | DP-241-5-28 | 28 VCT @ 0.42 A |
| 241-5-36 | 36 VCT @ 0.35 A | DP-241-5-36 | 36 VCT @ 0.35 A |
| 241-5-48 | 48 VCT @ 0.25 A | DP-241-5-48 | 48 VCT @ 0.25 A |
| 241-5-56 | 56 VCT @ 0.22 A | DP-241-5-56 | 56 VCT @ 0.22 A |
| 241-5-120 | 120 VCT @ 0.10 A | DP-241-5-120 | 120 VCT @ 0.10 A |
| 241-6-10 | 10.0 VCT @ 3.0 A | DP-241-6-10 | 10.0 VCT @ 3.0 A |
| 241-6-12 | 12.6 VCT @ 2.5 A | DP-241-6-12 | 12.6 VCT @ 2.5 A |
| 241-6-16 | 16.0 VCT @ 2.0 A | DP-241-6-16 | 16.0 VCT @ 2.0 A |
| 241-6-20 | 20.0 VCT @ 1.5 A | DP-241-6-20 | 20.0 VCT @ 1.5 A |
| 241-6-24 | 24.0 VCT @ 1.25 A | DP-241-6-24 | 24.0 VCT @ 1.25 A |
| 241-6-28 | 28 VCT @ 1.1 A | DP-241-6-28 | 28 VCT @ 1.1 A |
| 241-6-36 | 36 VCT @ 0.85 A | DP-241-6-36 | 36 VCT @ 0.85 A |
| 241-6-48 | 48 VCT @ 0.63 A | DP-241-6-48 | 48 VCT @ 0.63 A |
| 241-6-56 | 56 VCT @ 0.54 A | DP-241-6-56 | 56 VCT @ 0.54 A |
| 241-6-120 | 120 VCT @ 0.25 A | DP-241-6-120 | 120 VCT @ 0.25 A |
| 241-7-10 | 10.0 VCT @ 5.0 A | DP-241-7-10 | 10.0 VCT @ 5.0 A |
| 241-7-12 | 12.6 VCT @ 4.0 A | DP-241-7-12 | 12.6 VCT @ 4.0 A |
| 241-7-16 | 16.0 VCT @ 3.5 A | DP-241-7-16 | 16.0 VCT @ 3.5 A |
| 241-7-20 | 20.0 VCT @ 2.8 A | DP-241-7-20 | 20.0 VCT @ 2.8 A |
| 241-7-24 | 24.0 VCT @ 2.4 A | DP-241-7-24 | 24.0 VCT @ 2.4 A |
| 241-7-28 | 28 VCT @ 2.0 A | DP-241-7-28 | 28 VCT @ 2.0 A |
| 241-7-36 | 36 VCT @ 1.5 A | DP-241-7-36 | 36 VCT @ 1.5 A |
| 241-7-48 | 48 VCT @ 1.2 A | DP-241-7-48 | 48 VCT @ 1.2 A |
| 241-7-56 | 56 VCT @ 1.00 A | DP-241-7-56 | 56 VCT @ 1.00 A |
| 241-7-120 | 120 VCT @ 0.50 A | DP-241-7-120 | 120 VCT @ 0.50 A |
| 241-8-10 | 10.0 VCT @ 10 A | DP-241-8-10 | 10.0 VCT @ 10 A |
| 241-8-12 | 12.6 VCT @ 8.0 A | DP-241-8-12 | 12.6 VCT @ 8.0 A |
| 241-8-16 | 16.0 VCT @ 6.25 A | DP-241-8-16 | 16.0 VCT @ 6.25 A |
| 241-8-20 | 20.0 VCT @ 5.0 A | DP-241-8-20 | 20.0 VCT @ 5.0 A |
| 241-8-24 | 24.0 VCT @ 4.0 A | DP-241-8-24 | 24.0 VCT @ 4.0 A |
| 241-8-28 | 28 VCT @ 3.6 A | DP-241-8-28 | 28 VCT @ 3.6 A |
| 241-8-36 | 36 VCT @ 2.8 A | DP-241-8-36 | 36 VCT @ 2.8 A |
| 241-8-48 | 48 VCT @ 2.0 A | DP-241-8-48 | 48 VCT @ 2.0 A |
| 241-8-56 | 56 VCT @ 1.8 A | DP-241-8-56 | 56 VCT @ 1.8 A |
| 241-8-120 | 120 VCT @ 0.85 A | DP-241-8-120 | 120 VCT @ 0.85 A |
241 Series Mechanical Specifications
| VA | Dimensions (Inches) | Dimensions (mm) | Weight (lbs) | Weight (kg) |
|---|---|---|---|---|
| L x W x H | L x W x H | |||
| 2.4 | 2.07 x 1.17 x 1.23 | 52.6 x 29.6 x 31.2 | 0.25 | 0.11 |
| 6 | 2.37 x 1.31 x 1.43 | 60.3 x 33.3 x 36.2 | 0.44 | 0.20 |
| 12 | 2.81 x 1.43 x 1.69 | 71.4 x 36.3 x 42.8 | 0.7 | 0.32 |
| 30 | 3.25 x 1.74 x 1.96 | 82.6 x 44.3 x 49.8 | 1.1 | 0.50 |
| 56 | 3.68 x 1.94 x 2.28 | 93.5 x 49.2 x 57.8 | 1.7 | 0.77 |
| 100 | 4.03 x 2.30 x 2.58 | 102.4 x 58.5 x 65.5 | 2.75 | 1.25 |
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-241-7-28_C17607737.pdf
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