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Specifications
Secondary Winding:
1
Isolation Voltage(Vrms):
4kV
Primary Winding(s):
2
Secondary Side Voltage:
12V
Output Current:
3.33A
Primary Side Voltage:
115V;230V
Mfr. Part #:
CL2-40-12
Package:
Screw Terminals
Key Attributes
Model Number:
CL2-40-12
Product Description
Product Overview
Signal's CL2 Series Class 2 Transformers are designed for reliable power conversion, available in both printed circuit and chassis mount versions. These transformers are offered as inherently or non-inherently limited units, recognized under UL 1585 / UL 5085 standards. They feature dual primaries (115/230 V, 50/60 Hz) and a single secondary, with power ratings ranging from 25 VA to 80 VA. Constructed with Class F insulation (155 C) and materials meeting UL 94V0 flammability rating, they provide robust performance and safety. 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
- Construction: Split or dual bobbin construction (electrostatic shield not necessary)
- Terminals: Solder lug/quick connect type
- Origin: USA (implied by address)
Technical Specifications
| Specification | Details |
|---|---|
| Power Rating | 25 VA to 80 VA |
| Dielectric Strength | 4000 Vrms Hipot |
| Primary Voltage | Dual primaries, 115/230 V, 50/60 Hz (Must be used in series or parallel) |
| Secondary | Single secondary |
| Class 2 Rating | Inherently or non-inherently limited |
| Mounting Style | Chassis Mount |
| Model Specifics (CL2 Series) | |
| 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) | 2.00 (50.8) x 1.12 (28.6) inches (mm) |
| Mounting Screw | #6 |
| Weight | 1.25 lbs (0.57 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) | 2.25 (57.2) x 1.12 (28.6) inches (mm) |
| Mounting Screw | #6 |
| Weight | 1.6 lbs (0.73 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) | 1.37 (35.0) x 0.31 (7.9) inches (mm) |
| Mounting Screw | #6 |
| Weight | 2.8 lbs (1.27 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* |
| * Non-inherently limited. Maximum secondary fuse value specified. | |
2411272151_Bel-Fuse-CL2-40-12_C17397670.pdf
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