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Product Information
The EV4-WP constant voltage power repeater expands PWM control capacity across 4 independent channels up to 5A per channel (20A total output current) across DC 12V, 24V, and 36V installations. Engineered with an IP67 waterproof sealed housing, the unit allows seamless power expansion for single color, tunable white CCT, RGB, and RGBW LED strip lights installed in outdoor architectural projects, facade perimeters, and humid environments. Integrated 3KV optoelectronic isolation prevents electrical interference between the primary controller and secondary power stages. Whether deployed in series or parallel topology, the EV4-WP receives incoming PWM dimming signals and delivers fully synchronized output power up to 240W at 12V, 480W at 24V, or 720W at 36V. Note: For current system designs, review the updated version EV4-WPS.
Key Features
IP67 Ingress Protection
Sealed waterproof enclosure with factory-potted cable entries delivers sustained operation in wet exterior environments and high-humidity areas.
4-Channel 5A Capacity
Delivers 4 x 5A channels for a combined continuous output load capacity of 20A across single color, CCT, RGB, or RGBW LED strip fixtures.
3KV Optoelectronic Isolation
Built-in optical isolator separates the PWM control signal from field power loops, protecting upstream controllers against ground shifts and line surges.
Wide DC 12V-36V Input
Accommodates low-voltage inputs from 12VDC to 36VDC, producing 4 x (60-180)W for scalable architectural lighting layouts.
Unlimited Cascade Expansion
Supports both series and parallel wiring architectures to distribute power without limitation across extra-long LED strip runs.
Comprehensive Circuit Protection
Equipped with automated safeguards against reverse polarity, short circuit, channel overload, and internal overheating.
Technical Highlights
- Eliminates visible lumen and color drift across multi-run RGBW LED strip lights by providing direct local power injection synchronized to PWM signal inputs.
- Equipped with 3000V optoelectronic barrier preventing feedback noise from long cable runs affecting the master controller.
- Operates over an extended temperature range of -30 ℃ to +55 ℃ with a maximum permitted case temperature of +85 ℃.
- Fully potted IP67 housing safeguards internal MOSFET drivers against rain, condensation, and airborne dust without external weather boxes.
- Synchronous signal response maintains identical color hue transitions and dimming curve linearity from 0.1% to 100% duty cycle.
- Conforms to European safety and electromagnetic standards EN301 489, EN 62479, and EN60950 with full CE certification.
Product Specifications
| Parameter | Details |
|---|---|
| Model Number | EV4-WP |
| Input Voltage | 12-36VDC |
| Input Current | 20.5A |
| Input Control Signal | PWM (Pulse Width Modulation) |
| Signal Isolation | 3KV Optoelectronic Isolation |
| Output Voltage | 4 x (12-36)VDC |
| Output Current | 4CH, 5A per channel (20A max combined) |
| Output Power | 4 x (60-180)W (240W@12V, 480W@24V, 720W@36V) |
| Output Type | Constant Voltage (CV) |
| Compatible Load Types | Single Color, CCT Tunable White, RGB, RGBW LED strip |
| IP Rating | IP67 Waterproof |
| Operating Temperature (Ta) | -30 ℃ ~ +55 ℃ |
| Max Case Temperature (Tc) | +85 ℃ |
| Safety Standards (LVD) | EN60950 |
| EMC Standards | EN301 489, EN 62479 |
| Certifications | CE, EMC, LVD |
| Protections | Reverse Polarity, Over-heat, Over-load, Short Circuit |
| Housing Dimensions | 176.0 mm (L) x 78.0 mm (W) x 38.0 mm (H) |
| Warranty | 5 Years |
Application Scenarios
How to Control & Use This Controller
- Verify that your DC power supply voltage matches the operating voltage of your constant voltage LED strip lights (12V, 24V, or 36V). Ensure the AC mains power is switched off before making any wire connections.
- Connect the power input cable of the EV4-WP to your auxiliary power supply: Brown wire to positive (V+) and Blue wire to negative (V-).
- Connect the PWM signal input lines from the primary master controller: Black wire to common positive (V+), Brown wire to Channel 1 (Red), Yellow/Green wire to Channel 2 (Green), Blue wire to Channel 3 (Blue), and Gray wire to Channel 4 (White).
- Connect the LED output wires to the secondary LED strip segment: Black wire to strip common anode (V+), Brown to Channel 1 cathode, Yellow/Green to Channel 2 cathode, Blue to Channel 3 cathode, and Gray to Channel 4 cathode.
- For parallel connection, split the master controller PWM output directly to multiple EV4-WP inputs. For series connection, wire the signal input of downstream repeaters to the preceding repeater signal rail.
- Energize the system. Observe all LEDs in system power on state to confirm identical color mix and dimming response between the master and repeated sections.
- Installation and electrical maintenance must be carried out by a qualified technician.
- Never connect a 12V LED strip to an EV4-WP powered by a 24V or 36V power supply, as mismatched voltage will permanently damage the LEDs.
- Ensure all wiring polarities and wire splices are sealed with waterproof gel connectors or heat-shrink tubing when deployed outdoors.
- Maintain adequate air circulation around the metal-backed housing to avoid thermal throttling during continuous full-load output.
- Do not exceed the rated 5A current threshold on any single output channel (max 20A total input/output current across 4 channels).
- Do not open or modify the sealed IP67 body; internal repairs are factory-only to preserve water ingress seals.
What's in the Box
- ✓1 x EV4-WP 4-Channel Constant Voltage IP67 Waterproof LED Power Repeater
- ✓1 x Installation & Wiring Guide Leaflet
⇩ Downloads & Documents
PDFEV4-WP
Frequently Asked Questions
Q: what is led power supply and do I still need one with the EV4-WP?
A:An LED power supply converts high-voltage AC mains power into steady low-voltage DC (such as 12V, 24V, or 36V). Yes, you need a DC power supply to feed the EV4-WP power input terminals, because the repeater amplifies current using external DC power rather than drawing from the control signal.
Q: can you cut rgb led strip lights when connecting them to this repeater?
A:Yes, you can cut constant voltage RGB LED strip lights along their designated cut marks (usually marked by scissor icons and copper solder pads) before wiring the strip leads to the EV4-WP output.
Q: how to install rgb led strip lights with an amplifier like the EV4-WP?
A:Connect your primary LED strip to your master controller, then wire the controller's PWM output leads into the EV4-WP signal input. Connect a separate DC power supply to the repeater's power leads, and attach the secondary LED strip run directly to the EV4-WP output leads.
Q: are led light strips waterproof when using this repeater outside?
A:The EV4-WP repeater is rated IP67 waterproof, but your LED strip lights must also carry an IP67 or IP68 rating, and all electrical cable splices must be sealed with waterproof junction boxes or outdoor heat-shrink tubing.
Q: Can I use the EV4-WP with a single color LED strip or tunable white CCT strip?
A:Yes, the EV4-WP operates across 4 independent channels and works with single color (1 channel), dual white CCT (2 channels), RGB (3 channels), and RGBW (4 channels) constant voltage LED strip lighting.
Q: Can I operate this setup like a power strip with remote control?
A:The EV4-WP is an amplifier that repeats PWM signals from an upstream master controller. To achieve wireless remote control, pair the setup with an RF, Zigbee, or Wi-Fi master controller that supports your handheld remote or wall panel.
Q: What is the difference between parallel and series wiring for this repeater?
A:In parallel wiring, each EV4-WP receives the PWM control signal directly from the master controller. In series wiring, the signal feeds from the output or signal rail of the first repeater into the next. Both methods provide fully synchronized color changing and dimming.
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Files for EV4-WPImages
These images were taken with Canon EOS 5D Mark IV and the studio light source is provided by Ra 98's full spectrum LED strip to realistically reproduce the colors of the item itself. All copyrights are created by the superlightingled team, please feel free to browse and download if you are a registered user!
LED Strip Lights Guide
Here you can learn anything about LED strip lights — pick the topic you are interested in to go deeper. We cover LED strip lights, power supplies, controllers, accessories, and how to connect LED strip lights. You can also watch our demo videos.
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Controller for led strip lights
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