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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 #:
241-7-20L
Package:
Screw Terminals
Key Attributes
Model Number:
241-7-20L
Product Description
Product Overview
Signal's 241-L Series Two-4-One Power Transformers are chassis mount units featuring split bobbin construction for superior isolation and low capacitive coupling. These transformers are designed for various applications requiring reliable power conversion. They are UL recognized and CSA certified, ensuring compliance with industry standards. Available in a range of power ratings from 2.4 VA to 100 VA, they offer single or dual primary configurations (115 V or 115/230 V) and a single center-tapped secondary. All models are RoHS compliant and equipped with UL1015, CSA TEW hook-up lead wires rated for 600V and temperatures from -40C to +105C.
Product Attributes
- Brand: Signal (Belfuse)
- Series: 241-L Series
- Construction: Split Bobbin
- Insulation Class: Class B (130 C)
- Agency Certifications: UL recognized to UL 506 / UL 5085, CSA 22.2, # 66.1
- Lead Wire Style: UL1015, CSA TEW
- Lead Wire Rating: 600 V, -40 to +105 C
- Flame Test: Passes UL VW-1
- Lead Wire Gauge: 18 AWG
- Lead Wire Length: 12 inches
- Compliance: RoHS Compliant
- Custom versions: Available upon request
Technical Specifications
General Specifications
| Specification | Value |
|---|---|
| Power | 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 |
| Insulation Class | Class B (130 C) |
Part Number Selection
| VA | Secondary Voltage | Current (A) | Single Primary Part Number | Dual Primary Part Number |
|---|---|---|---|---|
| 3 | 10.0 VCT | 0.25 A | 241-3-10L | Not Available |
| 3 | 12.6 VCT | 0.2 A | 241-3-12L | Not Available |
| 3 | 16.0 VCT | 0.15 A | 241-3-16L | Not Available |
| 3 | 20.0 VCT | 0.12 A | 241-3-20L | Not Available |
| 3 | 24.0 VCT | 0.1 A | 241-3-24L | Not Available |
| 3 | 28 VCT | 0.085 A | 241-3-28L | Not Available |
| 3 | 36 VCT | 0.065 A | 241-3-36L | Not Available |
| 3 | 48 VCT | 0.05 A | 241-3-48L | Not Available |
| 3 | 56 VCT | 0.045 A | 241-3-56L | Not Available |
| 3 | 120 VCT | 0.02 A | 241-3-120L | Not Available |
| 4 | 10.0 VCT | 0.6 A | 241-4-10L | DP-241-4-10L |
| 4 | 12.6 VCT | 0.5 A | 241-4-12L | DP-241-4-12L |
| 4 | 16.0 VCT | 0.4 A | 241-4-16L | DP-241-4-16L |
| 4 | 20.0 VCT | 0.3 A | 241-4-20L | DP-241-4-20L |
| 4 | 24.0 VCT | 0.25 A | 241-4-24L | DP-241-4-24L |
| 4 | 28 VCT | 0.20 A | 241-4-28L | DP-241-4-28L |
| 4 | 36 VCT | 0.17 A | 241-4-36L | DP-241-4-36L |
| 4 | 48 VCT | 0.125 A | 241-4-48L | DP-241-4-48L |
| 4 | 56 VCT | 0.11 A | 241-4-56L | DP-241-4-56L |
| 4 | 120 VCT | 0.05 A | 241-4-120L | DP-241-4-120L |
| 5 | 10.0 VCT | 1.2 A | 241-5-10L | DP-241-5-10L |
| 5 | 12.6 VCT | 1.0 A | 241-5-12L | DP-241-5-12L |
| 5 | 16.0 VCT | 0.8 A | 241-5-16L | DP-241-5-16L |
| 5 | 20.0 VCT | 0.6 A | 241-5-20L | DP-241-5-20L |
| 5 | 24.0 VCT | 0.5 A | 241-5-24L | DP-241-5-24L |
| 5 | 28 VCT | 0.42 A | 241-5-28L | DP-241-5-28L |
| 5 | 36 VCT | 0.35 A | 241-5-36L | DP-241-5-36L |
| 5 | 48 VCT | 0.25 A | 241-5-48L | DP-241-5-48L |
| 5 | 56 VCT | 0.22 A | 241-5-56L | DP-241-5-56L |
| 5 | 120 VCT | 0.10 A | 241-5-120L | DP-241-5-120L |
| 6 | 10.0 VCT | 3.0 A | 241-6-10L | DP-241-6-10L |
| 6 | 12.6 VCT | 2.5 A | 241-6-12L | DP-241-6-12L |
| 6 | 16.0 VCT | 2.0 A | 241-6-16L | DP-241-6-16L |
| 6 | 20.0 VCT | 1.5 A | 241-6-20L | DP-241-6-20L |
| 6 | 24.0 VCT | 1.25 A | 241-6-24L | DP-241-6-24L |
| 6 | 28 VCT | 1.1 A | 241-6-28L | DP-241-6-28L |
| 6 | 36 VCT | 0.85 A | 241-6-36L | DP-241-6-36L |
| 6 | 48 VCT | 0.63 A | 241-6-48L | DP-241-6-48L |
| 6 | 56 VCT | 0.54 A | 241-6-56L | DP-241-6-56L |
| 6 | 120 VCT | 0.25 A | 241-6-120L | DP-241-6-120L |
| 7 | 10.0 VCT | 5.0 A | 241-7-10L | DP-241-7-10L |
| 7 | 12.6 VCT | 4.0 A | 241-7-12L | DP-241-7-12L |
| 7 | 16.0 VCT | 3.5 A | 241-7-16L | DP-241-7-16L |
| 7 | 20.0 VCT | 2.8 A | 241-7-20L | DP-241-7-20L |
| 7 | 24.0 VCT | 2.4 A | 241-7-24L | DP-241-7-24L |
| 7 | 28 VCT | 2.0 A | 241-7-28L | DP-241-7-28L |
| 7 | 36 VCT | 1.5 A | 241-7-36L | DP-241-7-36L |
| 7 | 48 VCT | 1.2 A | 241-7-48L | DP-241-7-48L |
| 7 | 56 VCT | 1.00 A | 241-7-56L | DP-241-7-56L |
| 7 | 120 VCT | 0.50 A | 241-7-120L | DP-241-7-120L |
| 8 | 10.0 VCT | 10 A | 241-8-10L | DP-241-8-10L |
| 8 | 12.6 VCT | 8.0 A | 241-8-12L | DP-241-8-12L |
| 8 | 16.0 VCT | 6.25 A | 241-8-16L | DP-241-8-16L |
| 8 | 20.0 VCT | 5.0 A | 241-8-20L | DP-241-8-20L |
| 8 | 24.0 VCT | 4.0 A | 241-8-24L | DP-241-8-24L |
| 8 | 28 VCT | 3.6 A | 241-8-28L | DP-241-8-28L |
| 8 | 36 VCT | 2.8 A | 241-8-36L | DP-241-8-36L |
| 8 | 48 VCT | 2.0 A | 241-8-48L | DP-241-8-48L |
| 8 | 56 VCT | 1.8 A | 241-8-56L | DP-241-8-56L |
| 8 | 120 VCT | 0.85 A | 241-8-120L | DP-241-8-120L |
Mechanical Specifications
| Size VA | Dimensions (Inches / mm) | Weight (lbs / kg) |
|---|---|---|
| L x W x H | ||
| 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) |
2411272144_Bel-Fuse-241-7-20L_C17578533.pdf
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