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DC CIRCUIT BREAKERS FOR PV INSTALLATIONS
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4 CHANNEL WIRELESS SWITCH
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PANEL MOUNT 22mm PUSH BUTTONS
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The SL7N Series of DC-rated circuit breakers from SUNTREE are the trusted choice for modern DC applications, including solar PV systems, battery banks, and industrial control panels.
Designed to deliver stable protection in demanding environments, these breakers offer rapid response to overloads and short circuits, ensuring both system safety and equipment longevity.
With a compact, modular design and DIN rail compatibility, the SL7N Series is easy to install and integrate into any DC setup.
Available in South Africa through trusted distributors SWAN ELECTRIC and MANTECH.
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Upgrade your home or workspace with the Sonoff 4CH R3 Four Channel Smart Switch – the perfect solution for controlling up to four devices independently from a single, compact unit.
Whether you're automating lights, fans, pumps, or other appliances, this powerful switch offers full control via the eWeLink app, letting you manage everything remotely from your smartphone, Amazon Alexa and Google Assistant Ai devices.
With support for scheduled timers, inching mode, and interlock functionality, it's ideal for smart DIY projects and complex automation setups.
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Discover reliable performance and sleek design with SWAN ELECTRIC’s 22mm panel mount push buttons – the ideal choice for industrial control panels, machinery, and automation systems.
Built for durability and precision, these push buttons offer a smooth actuation feel and long service life, making them perfect for demanding environments.
With a compact 22mm mounting size, they’re easy to install and integrate seamlessly into any control setup. Available in a range of colors, functions, and illumination options, SWAN ELECTRIC push buttons provide clear, responsive feedback for safe and efficient operation.
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ENSURE POWER RELIABILITY WITH MEAN WELL DRDN SERIES REDUNDANCY MODULES
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In today’s high-demand industrial and mission-critical environments, uninterrupted power is not just a preference—it’s a necessity.
Power supply failure can lead to system shutdowns, data loss, and operational downtime, all of which are costly and preventable.
The MEAN WELL DRDN Series provides a simple and effective solution to this risk with its power redundancy modules, designed to ensure continuous, reliable operation.
What Is the MEAN WELL DRDN Series?
The DRDN Series is a line of passive redundancy modules that allow two DC power supplies to work together in a redundant configuration. If one power supply fails, the other instantly and automatically takes over—without interruption or manual intervention. This seamless redundancy is critical in applications where system uptime is essential.
Designed for 12V, 24V, or 48V DC systems, the DRDN modules support parallel connections of two power supplies, offering true N+1 redundancy.
Using Schottky diodes or MOSFETs, the DRDN modules passively manage current flow, providing reliability with no moving parts or control logic required.
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VAST RANGE OF GAS SURGE ARRESTORS
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SOLDERING IRONS & STATIONS - AT MANTECH
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REGISTERED JACK (RJ) CONNECTORS
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Gas arrestors, also known as gas discharge tubes (GDTs), are surge protection devices designed to protect sensitive electronic equipment from voltage transients.
They operate by using an inert gas sealed within a glass or ceramic enclosure that ionizes and conducts electricity when a high voltage surge occurs. This effectively diverts the excess energy away from protected circuits.
Gas arrestors are commonly used in telecom systems, power lines, and data interfaces due to their high surge-handling capacity, fast response time, and ability to return to a non-conductive state after the surge passes.
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Take your electronics work to the next level with high-quality soldering irons and soldering stations from MANTECH.
Whether you're a hobbyist, technician, or engineer, we stock a wide range of reliable tools to suit every need — from precision fine-tip irons to advanced temperature-controlled stations.
Featuring trusted brands and durable performance, our soldering solutions ensure clean, efficient joints every time.
Visit your nearest MANTECH branch or shop online to find the perfect soldering equipment for your projects — all at competitive prices!
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Ensure strong, secure, and high-performance network and telecom connections with RJ Connectors from MANTECH.
We offer a wide selection of RJ11, RJ45, and other modular connectors ideal for voice, data, and Ethernet applications.
Designed for easy installation and long-lasting durability, our RJ connectors deliver consistent signal quality across home, commercial, and industrial setups. Trust MANTECH for quality connectivity components — available in bulk or individual units, at competitive prices. Visit us in-store or online today!
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MEAN WELL Unveils XDR-E Series
Power Supplies with 45% Size Reduction
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Aluminium housed power, chassis / heat sink mount
Power Resistors in 5W to 1000W.
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22mm PANEL MOUNT POTENTIOMETERS
WITH DIAL
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We are excited to introduce the all-new XDR-E Series (75W / 120W
/ 150W / 240W / 480W / 960W).
The XDR-E series stands out for its exceptional balance of
performance and value!
Compared to the previous SDR/NDR/EDR series, the XDR-E
features a significantly reduced size—23% to 45% smaller
(depending on the model)....
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We stock a vast range of aluminium housed resistors, in the most
common sizes and values.
However, we are able to import ( without any MOQ or MOV ) any
size or value available in 5W, 10W, 25W, 50W, 70W, 100W, 150W,
200W, 250W, 300W, 500W, 800W AND 1KW.
We also stock a vast range of heatsinks, in numerous shapes and
sizes for facilitating the mounting of these resistors.
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Just arrived...
A new range of 22mm panel mount potentiometers with values
from 500 ohms, to 500K ohms, 2W rated and with 10% resistance
tolerance.
These potentiometers are ideal for Variable speed drives, Control
and automation panels and many other applications.
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MEAN WELL
MEAN WELL goes on a new dynamic drive to introduce new products and retain its position as worlds no. 1 power supply company !
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SMART PUMP DRIVES
Coming soon... The latest in smart pump drives. Solar, mains or generator powered. Click on the title above, to get more info...
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UNI-T INSTRUMENTS
UNI-T ( UNI-TREND ) is a leading Test and Measurement solutions provider that delivers consistent quality. We stock a vast range in South Africa.
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TALEMA NOW IN SA
TALEMA ( incorporating NUVOTEM ) is a manufacturer of standard and custom design current and toroidal transformers, as well as related magnetic products. Now available through MANTECH.
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KEYESTUDIO
KEYESTUDIO is a leading manufacturer of electronics for STEM education, DIY and prototyping markets. MANTECH stocks and distributes the entire range.
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USB PORT BREAKOUT BOARDS
We stock a range of breakout / testing boaards for USB ports. They are ideal for testing, development and repairs.
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LOAD CELLS
We are now stocking a range of load cells from a few Kg to Tons. Other sizes, as well as custom specifications can also be ordered.
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MEAN WELL LED DRIVERS
Coming soon... Constant voltage and constant power LED drivers. Wide input between 100 and 305VAC (or DC). Dimmable and control by NFC, PWM or resistance... IP67 !
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SOLAR PRODUCTS
We stocking distributors of SUNTREE in South Africa. SUNTREE is is a leading global provider of solar energy solutions and manufacturer of solar accessories
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STEM BASED EDUCATION
We have over 1,000 lines of product for STEM based education, IOT and 4th industrial revolution training and development. In Stock, in SA, now !
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FLUID FLOW SENSORS
Economically priced fluid flow sensors are now available from MANTECH. These sensors can measure up to 30L per minute with an easy to read pulse ( freq ) output.
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LATEST PRODUCTS (090923)
Click on the image and view a few of the hundreds of the latest products that we recently received at MANTECH, to aid you in being more effective and competitive...
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WORK MATS
These work mats are ideal as an aid in any electronics workshop. They help work with complex equipment and organize all the loose parts.
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