Product Overview
Signal's CL2 Series Class 2 Transformers are designed for reliable power conversion, available in both printed circuit and chassis mount configurations. These transformers are offered as inherently or non-inherently limited units, ensuring compliance with UL 1585 / UL 5085 standards. They are suitable for applications requiring power from 25 VA to 80 VA, featuring dual primaries (115/230 V, 50/60 Hz) and a single secondary output. The transformers utilize Class F insulation (155 C) and are constructed with UL 94V0 rated materials for flammability resistance. Electrostatic shielding is not required due to split or dual bobbin construction. Custom versions are available upon request.
Product Attributes
- Brand: Signal
- Series: CL2 Series
- Certifications: UL recognized to UL 1585 / UL 5085-3, File # E116583; CSA certified to C22.2 #66.1
- Compliance: RoHS Compliant
- Insulation System: Class F (155 C)
- Flammability Rating: Bobbin and shroud material meet UL 94V0
- Terminals: Solder lug/quick connect type
- Electrostatic Shield: Not necessary (split or dual bobbin construction)
- Origin: 128 Atlantic Avenue, Lynbrook, NY 11563
Technical Specifications
| Specification | Details |
|---|---|
| Power Range | 25 VA to 80 VA |
| Dielectric Strength | 4000 Vrms Hipot |
| Primaries | Dual primaries, 115/230 V, 50/60 Hz (must be used simultaneously in series or parallel) |
| Secondaries | Single secondary |
| Class 2 Rating | Inherently or non-inherently limited |
| Mechanical Specifications | |
| VA | 25 |
| Dimensions (L x W x H) | 2.81 (71.4) x 2.14 (54.4) x 2.31 (58.7) inches (mm) |
| Mounting Dimensions (A x B x C) | 2.00 (50.8) x 1.12 (28.6) x 0.31 (7.9) inches (mm) |
| Terminals | 0.187 (4.75) |
| Mounting Style | C |
| Mounting Screw | #6 |
| Weight | 1.25 (0.57) lbs (kg) |
| VA | 40 |
| Dimensions (L x W x H) | 3.12 (79.4) x 2.14 (54.4) x 2.68 (68.2) inches (mm) |
| Mounting Dimensions (A x B x C) | 2.25 (57.2) x 1.12 (28.6) x 0.31 (7.9) inches (mm) |
| Terminals | 0.187 (4.75) |
| Mounting Style | C |
| Mounting Screw | #6 |
| Weight | 1.6 (0.73) lbs (kg) |
| VA | 80 |
| Dimensions (L x W x H) | 2.50 (63.5) x 2.52 (64.3) x 3.06 (77.7) inches (mm) |
| Mounting Dimensions (A x B x C) | - x 1.37 (35.0) x 0.31 (7.9) inches (mm) |
| Terminals | 0.187 (4.75) |
| Mounting Style | B |
| Mounting Screw | #6 |
| Weight | 2.8 (1.27) lbs (kg) |
| Part Number Selection | |
| Part Number | CL2-25-12 |
| Secondary RMS Rating | 12 V @ 2.10 A |
| Secondary Fuse Required | 2.5 A* |
| Part Number | CL2-25-24 |
| Secondary RMS Rating | 24 V @ 1.05 A |
| Secondary Fuse Required | 1.5 A* |
| Part Number | CL2-40-12 |
| Secondary RMS Rating | 12 V @ 3.33 A |
| Secondary Fuse Required | 4.0 A* |
| Part Number | CL2-40-24 |
| Secondary RMS Rating | 24 V @ 1.66 A |
| Secondary Fuse Required | 2.0 A* |
| Part Number | CL2-80-24 |
| Secondary RMS Rating | 24 V @ 3.33 A |
| Secondary Fuse Required | 3.5 A* |
| Note: | * Non-inherently limited. Maximum secondary fuse value specified. |
2411272151_Bel-Fuse-CL2-80-24_C17518539.pdf
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