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3-phase universal SMPS · 5 V / 2.5 A

3 Phase Switch Mode Power Supply (SMPS)

Any two wires. A steady 5 volts.

A compact DC power supply that runs from any two conductors of a 3-phase supply: two phases at 415 V, or one phase and neutral at 240 V.

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150–240 VOperating range, phase to neutral

+25%Over-voltage headroom above nominal

6 waysTo connect: any L–L or L–N pair

5 V · 2.5 ARegulated DC output, 12.5 W

Field-ready

Made for the power farms actually get

150 V

Deep voltage sagsKeeps 5 V steady with the supply as low as 150 VAC phase to neutral.

+25%

Over-voltageRuns with the input up to 25% above nominal, about 300 V phase to neutral.

2 of 4

Lost phasesA blown fuse or dead phase doesn't stop it while any two conductors remain.

6 pairs

Simple installationAny L–L or L–N pair works, so installers use whatever is in the panel.

Installation

Wires straight into a 3-phase panel

Wiring diagram: 3-phase 4-wire supply through a 4-pole MCB into the SMPS cable gland, with 5 V DC 2.5 A out to the controller, sensor or IoT modem

Supported connections

Any two conductors

L1–L2415 VAC

L2–L3415 VAC

L3–L1415 VAC

L1–N240 VAC

L2–N240 VAC

L3–N240 VAC

Specifications

Technical data

Input

Nominal voltage: 240 VAC P-N · 415 VAC phase to phase
Operating range: 150–240 VAC P-N
Over-voltage: +25% of nominal (≈ 300 VAC P-N · ≈ 519 VAC P-P)
Connection: Any two conductors, any L–L or L–N pair
Supply systems: 3Φ 4-wire · 3Φ 3-wire · 1Φ

Output

Voltage: 5 V DC
Current: 2.5 A
Power: 12.5 W

Mechanical

Enclosure: Flanged wall-mount box
Entry: Cable gland entry, screw-down lid

Applications

Clean 5 V wherever the panel has phases

Pump and starter controllers

Stays powered through single-phasing and swings, so the controller can protect the motor.

Valve and zone controllers

Powers scheduling logic and radio modules from the nearest feeder.

Gateways, modems, sensors

Runs GSM and LoRa gateways and loggers on sites with unreliable mains.

FAQ

Frequently asked questions

What input does it accept?

Any two conductors of a 3-phase line: two phases at 415 VAC, or one phase and neutral at 240 VAC, with an operating range of 150–240 VAC phase-to-neutral.

What is the output?

5 V DC at up to 2.5 A (12.5 W).

Which supply systems does it work with?

3-phase 4-wire, 3-phase 3-wire and single-phase supplies.

Works with

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Tell us about your panel, the quantity you need and where it will be installed.

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