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Specifications
Secondary Winding:
1
Isolation Voltage(Vrms):
4kV
Primary Winding(s):
1
Secondary Side Voltage:
120V
Output Current:
2.5A
Primary Side Voltage:
277V
Mfr. Part #:
SLT-300
Package:
Screw Terminals
Key Attributes
Model Number:
SLT-300
Product Description
Product Overview
The SLT Series Isolated 277 V / 120 V Step Down Transformers from Signal Transformer are designed for chassis mounting, enabling installers to derive a fully isolated 120 V source from a 277 V line. These transformers are ideal for power task lighting and service receptacles. They offer a robust construction with UL 1446 Class F (155 C) insulation and touch-safe terminals (IP20 type) that support screw/binding clamp connections and Fast-On connectors.
Product Attributes
- Brand: Signal Transformer
- Series: SLT Series
- RoHS Compliant
Technical Specifications
| Model | VA Rating | Primary Voltage | Secondary Voltage | Secondary Current | Dielectric Strength | Insulation System | Leakage Current | Terminal Type | Flame Rating | Dimensions (L x W x H) | Mounting Screw | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SLT-300 | 300 VA | 277 V, 60 Hz | 120 V (with 115 V and 125 V taps) | 2.5 A | 4000 V | UL 1446 Class F (155 C) | <30 uA | IP20 Touch Safe (Screw/Binding Clamp, 3/16 & 1/4 Fast-On) | UL 94-V0 | 4.20" (106.68 mm) x 4.08" (103.51 mm) x 3.75" (95.3 mm) | #10 | 7.0 lbs (3.18 kg) |
| SLT-450 | 450 VA | 277 V, 60 Hz | 120 V (with 115 V and 125 V taps) | 3.8 A | 4000 V | UL 1446 Class F (155 C) | <30 uA | IP20 Touch Safe (Screw/Binding Clamp, 3/16 & 1/4 Fast-On) | UL 94-V0 | 4.46" (113.28 mm) x 4.33" (110 mm) x 4.50" (114.3 mm) | #10 | 11.0 lbs (5 kg) |
| SLT-600 | 600 VA | 277 V, 60 Hz | 120 V (with 115 V and 125 V taps) | 5.0 A | 4000 V | UL 1446 Class F (155 C) | <30 uA | IP20 Touch Safe (Screw/Binding Clamp, 3/16 & 1/4 Fast-On) | UL 94-V0 | 4.46" (113.28 mm) x 5.08" (129.03 mm) x 4.50" (114.3 mm) | #10 | 14.3 lbs (6.49 kg) |
| SLT-1000 | 1000 VA | 277 V, 60 Hz | 120 V (with 115 V and 125 V taps) | 8.33 A | 4000 V | UL 1446 Class F (155 C) | <30 uA | IP20 Touch Safe (Screw/Binding Clamp, 3/16 & 1/4 Fast-On) | UL 94-V0 | 4.89" (124.20 mm) x 5.70" (144.78 mm) x 5.25" (133.4 mm) | 1/4 | 22.0 lbs (10.0 kg) |
Agency Certifications
- UL 1446 File # E66312
- Compliant with: UL5085-1-2, UL 506, UL 60950, UL 197, UL 1262, IEC 60950, IEC 61558-2-4, IEC 61010-1, CSA 22.2 #66-1-2, VDE 0570, 0605, 0551, 0550
- CE
2411272156_Bel-Fuse-SLT-300_C17456343.pdf
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