---
product_id: 13460790
title: "Cybernetic 400 Watt Fanless Digital Grow Light Ballast (Hydroponics Indoor Garden; For Metal Halide or High Pressure Sodium Bulbs)"
brand: "cybernetic"
price: "FREE"
currency: AUD
in_stock: false
url: https://www.desertcart.com.au/products/13460790-cybernetic-400-watt-fanless-digital-grow-light-ballast-hydroponics-indoor
store_origin: AU
region: Australia
---

# 400W Power Whisper-Quiet Safety Certified Cybernetic 400 Watt Fanless Digital Grow Light Ballast (Hydroponics Indoor Garden; For Metal Halide or High Pressure Sodium Bulbs)

**Brand:** cybernetic
**Price:** FREE
**Availability:** ❌ Out of Stock

## Summary

> 🌱 Grow Smart, Grow Quiet!

## Quick Answers

- **What is this?** Cybernetic 400 Watt Fanless Digital Grow Light Ballast (Hydroponics Indoor Garden; For Metal Halide or High Pressure Sodium Bulbs) by cybernetic
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/13460790-cybernetic-400-watt-fanless-digital-grow-light-ballast-hydroponics-indoor)

## Best For

- cybernetic enthusiasts

## Why This Product

- Trusted cybernetic brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Power:** Compatible with Metal Halide & HPS bulbs for ultimate flexibility.
- • **Silent Operation:** Experience a serene growing environment with minimal sound.
- • **Certified Quality:** UL, CUL, EMC, and ROHS certifications guarantee top-notch reliability.
- • **Robust Protection:** Open/short circuit protection keeps your setup safe and sound.
- • **Innovative Cooling:** 64 cooling fins ensure optimal temperature without noisy fans.

## Overview

The Cybernetic 400 Watt Fanless Digital Grow Light Ballast is designed for hydroponics enthusiasts, offering compatibility with both Metal Halide and High Pressure Sodium bulbs. Its fanless design ensures a quiet operation, while 64 cooling fins provide efficient heat dissipation. With built-in open/short circuit protection and multiple safety certifications, this ballast is the perfect choice for a reliable indoor garden setup.

## Description

The Cybernetic 400 Watt Digital Ballast is one of the quietest ballasts in the market, due to its ambient cooling design. It is equipped with a relatively large heat sink for dissipation, and has a total of 64 cooling fins (tallest fin at .5"). The 400W-MH/HPS Ballast has 2 symmetrical brackets that create a 1/8" clearance gap for extra cooling once mounted. The ballast can also attach to rails via the 3/8" mounting rail on the top profile, which make multiple side-by-side ballast rail mounting an easy option. Features: - 400 Watt HPS/MH Digital Ballast - Powers Either Metal Halide and/or High Pressure Sodium Bulbs - Quiet Operation: Minimum Sound Signature - 64 Cooling Fins (Non-fan Cooling) - Open/Short Circuit Protection - UL, CUL, EMC, ROSH Certified Specifications: Constant Power Output: Between -15% to +15% Working Temperature: -10 to +40 degrees C Rating Voltage: 120 Volts Input Power: 440 Watts Input Current: 3.67 A Power Factor > 0.98 THD < 10% Safety Voltage: 110-240 V Lamp Power: 400 Watt Dimensions: 308mm x 135mm x 97mm Weight: 6.5 lbs

## Features

- Powers Either Metal Halide and/or High Pressure Sodium Bulbs
- Quiet Operation: Minimum Sound Signature
- 64 Cooling Fins (Non-fan Cooling)
- Open/Short Circuit Protection
- UL, CUL, EMC, ROSH Certified

## Images

![Cybernetic 400 Watt Fanless Digital Grow Light Ballast (Hydroponics Indoor Garden; For Metal Halide or High Pressure Sodium Bulbs) - Image 1](https://m.media-amazon.com/images/I/61Bt7rhbfmL.jpg)

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**Shop now:** [https://www.desertcart.com.au/products/13460790-cybernetic-400-watt-fanless-digital-grow-light-ballast-hydroponics-indoor](https://www.desertcart.com.au/products/13460790-cybernetic-400-watt-fanless-digital-grow-light-ballast-hydroponics-indoor)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-03-08*