Switchmode Blog

low_cost_inverter

Low Cost Inverters

4 November 2021

The MEAN WELL A300 series modified sine wave inverter gives you a remarkable level of functionality at a low cost.

mean_well_drc-100_battery_specifications

MEAN WELL DRC-100 Battery Specifications

3 November 2021

The data sheet for the MEAN WELL DRC-100 DIN rail power supplies, with battery charging doesn’t mention any battery specifications.

how_to_test_if_it_is_the_led_driver_or_luminaire_that_has_failed

How to Test If It Is the LED Driver or Luminaire That Has Failed

8 October 2021

When a LED light fails the presumption that is often made is that the LED driver has failed.

what_size_circuit_breaker_should_be_used_with_the_mean_well_ddr-120b-48_

What Size Circuit Breaker should be used with the MEAN WELL DDR-120B-48?

8 October 2021

We were contacted by a customer wanting to use the MEAN WELL DDR-120B-48 to convert a 24V source to power a 30W, 48V power injector for another piece of equipment.

inverters_that_accept_a_negative_voltage_input

Inverters that Accept a Negative Voltage Input

7 October 2021

Some applications require an inverter that can accept a negative (–v) voltage input.

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Technical Assistance with Using Three Phase Power Supplies

7 October 2021

We recently assisted a customer, who was designing a retrofit control system for water pumps used on commercial prawn and Barramundi farms.

what_is_the_best_inverter_to_run_my_caravan

WHAT IS THE BEST INVERTER TO RUN MY CARAVAN?

31 August 2021

We think the MEAN WELL TN series inverters are the best for caravans.

replacement_power_supply_to_the_mean_well_spv-1500-12

What is the Recommended Replacement Power Supply to the MEAN WELL SPV-1500-12

31 August 2021

We had a customer contact us, who needed to replace a MEAN WELL SPV-1500-12 power supply, which had given many years of service.

how_many_led_drivers_can_be_used_with_a_d_type_breaker

How Many LED Drivers Can be Used with a D Type Breaker?

31 August 2021

A customer contacted Power Supplies Australia, who was working on a project with LED luminaires, which were powered by 2 x MEAN WELL ELG-240-C1050DA LED drivers.

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Battery Charger with 13.38V Output

31 August 2021

We were recently contacted by a customer looking for a DC 12V charger with a variable voltage of 10-15A.

can_i_connect_the_negative_output_of_a_mean_well_power_supply_to_earth_ground

Can I Connect the Negative Output of a MEAN WELL Power Supply to Earth Ground?

31 August 2021

Power Supplies Australia was recently contacted by a customer who wanted to know if he could connect the negative output of a MEAN WELL MPM series power supply to earth ground?

why_some_power_supplies_dont_work_as_battery_chargers

Why Some Power Supplies Don’t Work as Battery Chargers

31 August 2021

Power Supplies Australia was recently contacted by a customer who had been trying to use the MEAN WELL HRP-300-24 as a battery charger.

charging_lithium-ion_batteries_with_mean_well_battery_chargers

Charging Lithium-ion Batteries with MEAN WELL Battery Chargers

8 October 2021

You may have noticed that in the data sheets of some MEAN WELL battery chargers it states that the charger can be used for Lithium-ion batteries, and to contact MEAN WELL for further information.

do_i_need_to_fuse_the_positive_and_negative_sides_of_a_24vdc_floating_power_supply

Do I Need to Fuse the Positive and Negative Sides of a 24VDC Floating Power Supply?

31 August 2021

We were asked by a customer that uses MEAN WELL power supplies in many of their products if they needed to fuse the negative output cable in a 24VDC floating power supply, and if so why?  

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Input Current Range of the MEAN WELL TDR-960-24

31 August 2021

We recently had a customer contact Power Supplies Australia, who was considering using 4 of the MEAN WELL TDR-960-24s in parallel.

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