Class 2 power transformer Bel Fuse CL2-20-12 with split bobbin construction and UL 1585 UL 5085 certification
Product Overview
Signal's CL2 Series transformers are designed for printed circuit board mounting, offering both inherently and non-inherently limited Class 2 power solutions. These transformers are UL 1585 / UL 5085 recognized and feature split bobbin construction for effective electrostatic shielding without the need for an additional shield. They are suitable for applications requiring reliable, safe, and compliant power conversion.
Product Attributes
- Brand: Signal
- Series: CL2 Series
- Mounting Type: Printed Circuit Mount
- Limitation: Inherently or Non-Inherently Limited
- Agency Certifications: UL recognized to UL 1585 / UL 5085-3 Class 2, File # E116583; CSA certified to C22.2 #66.1
- Insulation System: Class F (155 C)
- Flammability Rating: Bobbin and shroud material rated UL 94V0
- Compliance: RoHS Compliant
- Customization: Custom versions available upon request.
Technical Specifications
| Part Number | Power (VA) | Secondary RMS Rating | Secondary Fuse Required | Dimensions (Inches) L x W x H* | Mounting Screw Size | Qty | Weight (lbs) |
|---|---|---|---|---|---|---|---|
| CL2-2.5R-12 | 2.5 | 12 V @ 0.20 A | N/A* | 1.62 x 1.43 x 1.12 | #4 | 2 | 0.25 |
| CL2-2.5R-24 | 2.5 | 24 V @ 0.10 A | N/A* | 1.62 x 1.43 x 1.12 | #4 | 2 | 0.25 |
| CL2-5.0R-12 | 5.0 | 12 V @ 0.42 A | N/A* | 1.62 x 1.43 x 1.37 | #4 | 2 | 0.37 |
| CL2-5.0R-24 | 5.0 | 24 V @ 0.20 A | N/A* | 1.62 x 1.43 x 1.37 | #4 | 2 | 0.37 |
| CL2-10R-12 | 10.0 | 12 V @ 0.83 A | N/A* | 1.87 x 1.56 x 1.37 | #4 | 2 | 0.53 |
| CL2-10R-24 | 10.0 | 24 V @ 0.42 A | N/A* | 1.87 x 1.56 x 1.37 | #4 | 2 | 0.53 |
| CL2-20-12 | 20.0 | 12 V @ 1.66 A | N/A* | 2.25 x 1.87 x 1.62 | #4 | 2 | 0.90 |
| CL2-20-24 | 20.0 | 24 V @ 0.833 A | N/A* | 2.25 x 1.87 x 1.62 | #4 | 2 | 0.90 |
| CL2-30-12 | 30.0 | 12 V @ 2.50 A | 3.0 A** | 2.62 x 2.18 x 1.56 | #6 | 4 | 1.15 |
| CL2-30-24 | 30.0 | 24 V @ 1.25 A | 1.75 A** | 2.62 x 2.18 x 1.56 | #6 | 4 | 1.15 |
| CL2-50-12 | 50.0 | 12 V @ 4.20 A | 5.0 A** | 3.00 x 2.50 x 1.83 | #6 | 4 | 1.70 |
| CL2-50-24 | 50.0 | 24 V @ 2.10 A | 2.5 A** | 3.00 x 2.50 x 1.83 | #6 | 4 | 1.70 |
* Inherently limited
** Non-inherently limited (Maximum secondary fuse value specified.)
* Dimension H represents the total distance from the seating plane to the uppermost surface, stand offs and/or risers inclusive.
| General Specifications | Value |
|---|---|
| Power Range | 2.5 VA to 50 VA |
| Dielectric Strength | 4000 Vrms Hipot |
| Primaries | Dual primaries, 115/230 V, 50/60 Hz |
| Secondaries | Single secondary |
| Class 2 Rating | Inherently or non-inherently limited |
| Electrostatic Shield | Not necessary, split bobbin construction |
| Insulation System | Class F insulation, 155 C |
| Flammability Rating | Bobbin and shroud material rated UL 94V0 |
Note: Primaries are designed to be used simultaneously, either series or parallel connected (as one winding).
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