Hong Kong contact. Mainland China manufacturing.
Mini UPS

4B AC–AC Mini UPS, 300 W / 500 VA

Reference: 4B

4B UPS reference unit with ribbed metal enclosure and attached cables Enlarge image
4B UPS reference unit with ribbed metal enclosure and attached cables
Manufacturer reference photograph; identifying and generic rating labels edited. Confirm the selected configuration.

4B reference AC–AC mini UPS in the documented 300 W / 500 VA configuration, with nominal battery-mode output voltage options.

Output
AC · confirm voltage option
Power configuration
300 W / 500 VA
Battery
Confirm battery configuration

Sample availability, pricing and shipping are confirmed for your configuration.

Specifications

4B AC–AC Mini UPS, 300 W / 500 VA specifications
ParameterStated value
Reference code 4B
Equipment type AC–AC mini UPS
Listed power configuration 300 W / 500 VA
AC input voltage 65–265 VAC
AC input frequency 47–65 Hz
Battery-mode nominal voltage options 100 / 110 / 120 / 220 / 230 / 240 VAC ±10%; confirm ordered option
Battery-mode output frequency 50 / 60 Hz ±1 Hz
Dimensions 195 × 142 × 45 mm
Net weight 1.23 kg

Values are taken from manufacturer documentation and apply to the listed configuration. Confirm the current model-specific document, conditions and revision before procurement.

Integration notes

Protected load and backup behaviour

Describe the equipment to protect, normal and startup demand in W and VA, selected AC or DC output, and the required backup period. Include the connector, polarity, cable and installation requirements for a configuration review.

Application notes & selection checklist

Review the 4B 300 W / 500 VA configuration for an AC load. Select the required battery-mode output-voltage option and frequency; the listed nominal voltage options are separate order configurations.

Provide normal and startup demand in W and VA, power factor and acceptable interruption behaviour. Request the proposed battery arrangement, output waveform and backup-duration test conditions for your equipment.

Share the destination market, mounting space, connector and cable requirements. The current output option, battery configuration and any label or interface changes need supplier review before a quotation. Start from the mini UPS directory.

Output, connection & branding options

Discuss the required output voltage, connector and polarity, cable length, enclosure labelling and packaging. Alarm outputs, dry contacts or other monitoring interfaces require a model-specific feasibility check. Confirm the configuration and test load before sample evaluation.

How we approach validation

Documentation

Electrical, battery & shipping documents

Request the current electrical specification, connector information and battery nameplate. For lithium-battery shipment review, include the applicable UN 38.3 test summary and safety data sheet; packaging, route and carrier acceptance are confirmed before dispatch.

Request UPS documentation