Description
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TELWIN LEADER 400 START: Reliable Starting and Charging Power for Your Workshop! ⚡?
Meet the TELWIN LEADER 400 START 230V 12-24V – your new indispensable partner in any professional automotive workshop, transport company, farm or roadside assistance station. Designed by TELWIN’s Italian engineers, this powerful charger with start function is the quintessence of reliability and power, created to meet the toughest challenges. Forget the problems of discharged batteries and vehicles that refuse to obey when you least expect it. With LEADER 400 START, you get the confidence and speed of intervention that translates into real savings in time and money.
Imagine the situation: a frosty morning, and your key delivery vehicle or farm tractor won’t start. Every minute of downtime generates losses. It is at such moments that the TELWIN LEADER 400 START shows its true strength. With an impressive starting current of up to 400A, it is able to instantly “revive” gasoline and diesel engines in cars, vans, trucks, agricultural and construction machinery, serving both 12V and 24V installations. That’s the versatility you need to be ready for any eventuality.
But the LEADER 400 START is not just a powerful “booster.” It’s also a smart and powerful charger for charging lead-acid batteries (WET/START-STOP) with capacities from 20 up to 700 Ah. The four-stage charging current control allows you to precisely adjust the parameters to the condition and size of the battery, ensuring optimal and safe charging. The built-in ammeter keeps you informed of the current value, giving you full control over the process.
TELWIN is a brand known for uncompromising quality and durability. LEADER 400 START was built for intensive professional use. Robust metal housing, heavy-duty wires and terminals, and a comprehensive protection system (against overloading, pole swapping) guarantee long and trouble-free operation, even in harsh workshop conditions. This is an investment that quickly pays for itself, increasing the efficiency of your work and providing peace of mind. ??️
Explore the Advanced Capabilities of the TELWIN LEADER 400 START 230V 12-24V
⚡ Instant Start, When Every Second Counts
The TELWIN LEADER 400 START is not just a charger – it is first and foremost a powerful starting tool that delivers an impressive peak current of up to 400 Amperes. This kind of power allows for trouble-free starting of gasoline and diesel engines in a wide range of vehicles: from cars, vans and light trucks to heavy agricultural and construction equipment operating on 12V or 24V systems.
No more frustration caused by an immobilized vehicle at a critical moment. With the LEADER 400 START, professional garages and mobile services can provide top-quality service, minimizing downtime for their customers’ vehicles. Simple operation and clear ammeter readings make using the start function quick and intuitive, even in a stressful emergency situation. It’s reliability you can rely on when time pressures are at their greatest.
⚙️ 12/24V Versatility: One Device, Many Possibilities
Flexibility is the key to efficient operation in a modern workshop. The TELWIN LEADER 400 START is designed for maximum versatility, offering the ability to work with both 12V installations, typical of cars and vans, and 24V installations, used in trucks, buses, agricultural and construction machinery.
This dual compatibility eliminates the need to own and store many different starting devices and chargers. This saves valuable space in the workshop and reduces equipment investment costs. Whether you’re dealing with a small city car or a powerful tractor-trailer, the LEADER 400 START is ready to go, providing the right power and voltage. It’s a smart solution that simplifies logistics and enhances your service capabilities.
?️ Occupational Safety: Protection for You and Equipment
Working with electricity always requires caution, and TELWIN knows this very well. That’s why the LEADER 400 START is equipped with a comprehensive safety system that protects both the user and the connected equipment. Key safeguards include overload protection, which prevents damage to the charger in the event of excessive current draw, and pole-swap protection, which eliminates the risk of serious battery and vehicle electronics failure if the terminals are connected by mistake.
In addition, the device is protected against the effects of short-circuited clamps. These integrated safety systems allow you to work with confidence and peace of mind, even in a dynamic workshop environment. For the professional, this means less risk of costly mistakes, longer equipment life and, most importantly, operator safety. TELWIN is committed to solutions that not only work, but also protect.
?️ TELWIN Reliability: An Investment for Years of Intensive Service
For years, the TELWIN brand has been synonymous with Italian quality and reliability in the welding and workshop equipment industry. The LEADER 400 START model continues this tradition, offering a design built for hard, everyday work. The rugged metal housing effectively protects internal components from mechanical damage, dust and dirt typical of the workshop environment.
A high-quality transformer, heavy-duty wires with the right cross-section, and strong, well-insulated terminals guarantee not only the efficient transmission of current, but also the long life of the entire device. Choosing LEADER 400 START is an investment in a tool that will serve you faultlessly for many years, even with intensive use. It is the assurance that your equipment will not let you down when you need it most.
Technical Specifications
| Parameter | Value |
|---|---|
| Catalog number | 807551 |
| EAN code | 8004897648040 |
| Supply voltage | 230V (50/60Hz) |
| Power (charging / starting) | 1.6 kW / 10 kW |
| Charging voltage | 12V / 24V |
| Starting voltage | 12V / 24V |
| Effective charging current (RMS) | 45 A |
| Average charging current (according to EN 60335-2-29) | 30 A |
| Inrush current (1V/C according to EN 60335-2-29) | 300 A |
| Maximum inrush current (0V/C) | 400 A |
| Minimum capacity of the battery to be charged | 20 Ah |
| Maximum capacity of the charged battery | 700 Ah |
| Number of charging current adjustment stages | 4 |
| Types of batteries supported | Lead-acid (WET / START-STOP) |
| Overload protection | Yes |
| Protection against pole swapping | Yes |
| Terminal short circuit protection | Yes |
| Ammeter | Yes, analog |
| Dimensions (L x W x H) | 305 x 360 x 630 mm |
| Weight | 13.9 kg |
Key Features and Benefits
- ? Powerful 400A Starting Current: Enables lightning-fast starting of gasoline and diesel engines in cars, vans, trucks, tractors and construction machinery, even in harsh conditions (such as low temperatures). For the professional, this means minimized downtime, quick assistance to customers and the ability to service a wide range of vehicles without having to reach for other equipment.
- ? 12V and 24V Voltage Versatility: Fully compatible with most vehicles and machinery, from light passenger cars (12V) to heavy transportation and agricultural equipment (24V). This single device covers almost the entire spectrum of workshop needs, eliminating the need for many different chargers and boosters, saving space and money.
- ? Efficient Charging of Batteries up to 700Ah: Capable of charging a wide range of lead-acid batteries (WET/START-STOP) with capacities from 20 to 700Ah with four-stage charging current control. This allows the charging parameters to be optimally adjusted to the size and condition of the battery, extending its life and ensuring a full charge.
- ?️ Comprehensive Protection: Equipped with protection against overload, reverse polarity and terminal short circuit. This guarantees safety for both the user and the battery being charged and the vehicle’s electronics. The professional can work with peace of mind, knowing that the device protects against costly errors.
- ?️ Robust and Durable TELWIN Construction: Metal housing, high-quality components, and heavy-duty cables and terminals ensure long-lasting, trouble-free operation even in demanding workshop environments. It’s an investment in the reliability and reputation of the TELWIN brand, known for producing equipment for professionals, which translates into lower long-term operating costs.
- ? Readable Analog Ammeter: The built-in ammeter allows you to monitor the charging current in real time, giving the user full control over the process and allowing you to assess the progress of charging and the condition of the battery. For the experienced mechanic, this is a valuable diagnostic tool.
Product Application
- ? Start-up of cars and vans (gasoline and diesel engines)
- ? Start-up of trucks and buses (12V and 24V installations)
- ? Start-up of agricultural tractors and machinery
- ?️ Commissioning of construction machinery and heavy equipment
- ? Charging of lead-acid batteries (WET/START-STOP) in automotive workshops
- ?️ Equipment for fleets and transport companies
- ? Support for roadside assistance and mobile services
Contents of the Kit
- ? TELWIN LEADER 400 START 230V 12-24V rectifier with starting function
- ?️ Starting and charging cables with terminals (integrated or attached)
- ? User Manual
Summary: TELWIN LEADER 400 START 230V 12-24V – Your Best Investment.
TELWIN LEADER 400 START is not just a charger with a starter – it’s your reliable partner in the daily battle against discharged batteries and immobilized vehicles. With its powerful 400A starting power, 12/24V versatility and robust design, you get the confidence and speed of intervention that are crucial in a professional workshop. Invest in a proven TELWIN solution and feel the difference made by equipment created by experts for experts. Don’t let power problems slow down your business – choose LEADER 400 START and always be ready to go! ?
Part number: 807551
EAN code: 8004897648040


