
LD400P Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $999.00 | Condition is Used, Aim-TTi LD400P Programmable DC ELECTRONIC Load , 80A 80V 400W LXI, shipping cost = $30.00 | 100.0% |

The TTI TD400P is a versatile and high-performance power supply unit designed for various applications, including USB, RS232, LAN, and LXI. With a maximum output power of 360 watts, this unit delivers an impressive 80 amps at 80 volts.
This power supply boasts an advanced design that ensures both efficiency and reliability. The TD400P features a universal input voltage range of 90-264VAC, making it suitable for use in a broad range of electrical environments. It also comes with overvoltage, overcurrent, and short-circuit protection, ensuring that the connected equipment remains safe from potential damage.
The TD400P caters to a variety of interfaces, offering USB, RS232, LAN, and LXI outputs. The USB output delivers up to 5V at 3A, while the RS232 output provides a maximum of 25V and 250mA. The LAN and LXI outputs support IEEE 1588 Precision Time Protocol (PTP), enabling precise synchronization of time and frequency for various applications.
This power supply unit is compact and lightweight, making it an excellent choice for space-constrained installations. It features a robust aluminum housing that not only adds to its durability but also helps in dissipating heat efficiently. The front panel of the TD400P is equipped with LED indicators that display the status of various outputs and protection features, making it easy to monitor and troubleshoot.
The TTI TD400P is an essential addition to any laboratory, test and measurement setup, or industrial automation project that requires a reliable, high-power, and versatile power supply. With its extensive features, robust design, and exceptional performance, this power supply unit is sure to meet and exceed your expectations.
The TTI PD400P is a 360W DC power supply with an output voltage range of 80V, 80A, and supports various interfaces including USB, RS232, and LXI. Let's discuss some pros and cons of buying this power supply unit (PSU).
Pros:1. Versatile Interfaces: The TTI PD400P supports multiple interfaces, making it a suitable option for various applications that require different communication protocols.
2. Wide Voltage Range: With a voltage range of 80V and a current capacity of 80A, this power supply can cater to high-voltage and high-current applications.
3. Precision Voltage Control: This PSU offers precise voltage control, which is essential for maintaining stable operating conditions in various applications.
4. Remote Monitoring and Control: The RS232 and LXI interfaces enable remote monitoring and control, which can be beneficial in applications where local access is not always possible.
Cons:1. High Cost: Compared to other power supplies with similar specifications, the TTI PD400P may be more expensive, making it a less attractive option for budget-conscious buyers.
2. Large Size: The power supply unit is relatively large and heavy, which may require additional consideration regarding rack space and shipping costs.
3. Limited Fan Control: The TTI PD400P does not offer fan control, which means the fan speed is fixed, and users cannot adjust it to their specific requirements.
In conclusion, the TTI PD400P is a powerful and versatile DC power supply unit with multiple interfaces, wide voltage range, and precise voltage control. However, it may come with a higher cost and larger size than other options in the market. If your application requires a high-voltage, high-current power supply with multiple interfaces, the TTI PD400P could be a good choice, despite its higher cost and larger size. Alternatively, you may want to consider other options with similar specifications but more affordable prices and smaller sizes if cost and size are critical factors in your decision-making process.
Details:
At higher currents the fixed minimum resistance typically better than 25mw gradually raises operating voltage , but it remains below 1 volt up to 40 amps and 2 volts 80. Please consider troubleshooting prior to making a return request. The LD400P adds full bus remote control via usb, rs-232 and lan Ethernet interfaces.the ld400 can operate at voltage s below 500mv for currents up to 10 amps. Short term loading can be sufficient for many testing applications and significantly extends the usefulness of ld400.features:: versatile solution dc power sources.
Constant current, resistance, conductance, voltage and power modes. Photos are greatly appreciated. Current monitor output for waveform viewing. It can be used to investigate the behaviour of many different types power source such as batteries and solar cells, well electronic supply units.
Variable drop-out voltage for battery testing. This low operating voltage allows it to be used for many applications which other electronic loads are unsuitable.the ld400 can operate at power levels up 600 watts periods of 1 minute.
specifications testmultimeters:
- brand: Tti
- mpn: Ld400p
- features: Versatile Solution For Testing Dc Power Sources
- country/region of manufacture: United Kingdom
returns testmultimeters:
- time: 30 days
- policy: returns accepted
- method: money back
- paid by: seller
shipping testmultimeters:
- transit: 5-8 days
- service: economy
- type: fixed
- class: economy
payments testmultimeters:
- wallet: paypal
- credit card: diners-club
- other
general testmultimeters:
- category: Business & Industrial > Test, Measurement Inspection > Detectors > Multimeters
offer testmultimeters:
- sold #: 16
- options: ship-to-home
- started: july 3, 2025
- in stock #: 1
- availability: in stock
- price: $999.00
- item condition: Used
seller testmultimeters:
- rating: 98.7%
- # reviews: 11347
- city: worcester, pennsylvania
