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AC Triac Dimmable driver 200-240Vac 300W 24V No Load Requirement 12.5A

triac dimmable

SKU SC-300-24

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Overview

SC-300-24 is the 24V output model of this series: rated current 12.5A, rated power 300W, typical efficiency 91.42%@230VAC.

Features

Output: Constant Voltage
Range: 200-240VAC
PFC design: Built-in active PFC function
Efficiency: Up to 91%
Protections: Short circuit/ over load/ over temperature
Heat dissipation: Cooling by free air convection
Waterproof performance: IP66
Dimming function: Phase dimming: work with leading edge, MLV and trailing edge, ELV, TRIAC dimmers.
Dimming range: 0-100%
Warranty: 5 years warranty

Specifications

SC-300-24Specifications from the official datasheetDownload datasheet PDF

Certificate

Certificate: TUV/ SAA / CB / CE / ENEC/ RoHS / Reach

Output

DC Voltage: 24V
Voltage Tolerance: ±0.5V
Voltage Regulation Tolerance: ±0.5%
Rated Current: 12.5A
Rated Power: 300W
Load Regulation: ≤1%

Input

Voltage Range: 200-240VAC
Frequency Range: 50Hz
THD(Typ.)@ Full Load: ≤15% @230VAC
Efficiency(Typ.)@ Full Load: 91.42%@230VAC
AC Current (Max.): 1.64A
Inrush Current(Typ.): 122A, 47us @ 50% Ipeak (230VAC); 110A, 52us @ 50% Ipeak (230VAC)
Leakage Current: <0.5mA

Protection

Short Circuit: Hiccup mode, re-power on to recover after fault condition removed
Over Load: ≤120% Hiccup mode, recovers automatically after fault condition is removed
Over Temperature: Shell surface temp. 100°C ± 10°C: shut down o/p voltage, automatically recover after the temperature drops.

Environment

Working TEMP.: -40~+60°C(see below derating curve)
Working Humidity: 20 - 95% RH non-condensing
Storage TEM.,Humidity: -40 - +80°C, 10 - 95% RH non-condensing
TEMP.coefficient: ±0.03%/°C (0 - 50°C)
Vibration: 10~500Hz, 5G 12min/1 cycle, period for 72min. each along X,Y,Z axes

Safety&EMC

Safety standards: EN/IEC-61347, EN/IEC-60598 Approved, AS/NZS-61347/60598 Approved
Withstand voltage: I/P-O/P: 3.75KVAC (EU); I/P-FG: 1.5KVAC (EU); I/P-FG: 0.5KVAC (EU)
Isolation resistance: I/P-O/P:100MΩ/ 500VDC / 25°C / 70%RH
EMC Emission: Compliance to EN/IEC-55015, EN/IEC-61000, AS CISPR 15:2017

Others

Net Weight: 1.65kg
Dimension: 276*78*47mm(L*W*H)
Packing: 390*325*185mm 10pcs/CTN

Test conditions and notes2

1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25°C of ambient temperature.
2. Tolerance: includes set up tolerance and load regulation.

Technical drawings

SC-300-24 Efficiency Curve (Efficiency vs Output load) — Efficiency Curve (Efficiency vs Output load)

SC-300-24 Derating Curve (Output load vs TEMP.) — Derating Curve (Output load vs TEMP.)

SC-300-24 Power Factor Curve — Power Factor Curve

SC-300-24 Mechanical Specification — Mechanical Specification

SC-300-24 24V & 48V Version — 24V & 48V Version

SC-300-24 TRIAC/Phase cut dimming — TRIAC/Phase cut dimming

SC-300-24 TRIAC/Phase cut dimming (2) — TRIAC/Phase cut dimming (2)

Typical applications

Suitable for the application of LED lighting

Downloads

Datasheet1

SC-300-24 datasheetEnvo_SC_300W.pdf PDF Download

FAQ

What is the Envo SC-300-24 designed for?

The Envo SC-300-24 is a 300W constant-voltage power supply designed for 24V LED lighting and moving sign applications. It is intended for buyers who need a high-output 24V unit with TRIAC dimming support.

What are the main electrical specifications of the SC-300-24?

This model provides a constant 24V output with a 300W power rating and 12.5A rated current. Its AC input range is 200-240V, and the listed efficiency is up to 91.42%.

Is the Envo SC-300-24 dimmable?

Yes, the SC-300-24 supports AC phase-cut dimming and is described as working with leading-edge, trailing-edge, MLV, ELV, and TRIAC dimmers. It is also specified as offering strong compatibility and flicker-free dimming performance.

Can this power supply be used outdoors or in exposed environments?

The SC-300-24 has an IP66-rated design, which makes it suitable for outdoor installation. Its full aluminum housing also supports durability in demanding environments.

What operating temperature range does the SC-300-24 support?

This model is rated for operation from -40°C to 60°C. That range makes it suitable for both cold and hot installation environments where a standard indoor-only unit may not be appropriate.

How does the SC-300-24 compare with lower-power 24V LED power supplies?

The main difference is output capacity: the SC-300-24 is a 300W, 24V unit rated at 12.5A for higher-load applications. It also combines TRIAC dimming support, active PFC, and IP66 protection in a single model for projects needing more power and environmental resilience.

What protection and support features are included with this model?

The product description lists protection against short circuit, overloading, and over temperature. It also includes a 5-year warranty, which is useful for commercial buyers looking for longer service coverage.

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