The Newmar PT-24-60W is a Phase Three series battery charger for 24-volt systems on workboats, commercial and military vessels and recreational craft. It delivers up to 60 A across 3 output banks, isolated so each battery charges independently, with an ammeter showing total output current. It is a standalone charger, not an inverter.

Smart circuitry runs a three-stage charge of bulk, absorption and float, and a selector switch sets the output for gel-cell, flooded lead-acid or AGM batteries. An optional temperature sensor (model TP) adjusts the voltage to battery temperature. Newmar lists the remote panel as not applicable to the PT-24-60W. Use the PT-MCU for added control and monitoring. Newmar recommends a battery capacity of 120–600 Ah.

The AC input accepts 207–253 VAC, 50–60 Hz, so it needs 230 V shore power and will not run on a standard 115 V supply. A stainless steel case with a white powder coat, polyurethane-coated circuitry, current limiting, thermal protection and forced-air cooling suit marine conditions, and an optional drip shield is available. The charger can also act as a regulated DC power supply.

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Installation & Compatibility Guides

Choose the Right Battery Charger for Your System

The Newmar PT-24-60W is an installed 24 V marine charger. Check these six points before you buy.

Battery Charger, Inverter or Combined Unit?

A battery charger only recharges batteries from shore or generator power. An inverter/charger adds AC output from the battery and an automatic transfer switch. The Phase Three series is a dedicated marine charger for systems that already have an inverter or do not need one.

Compare the PT-24-45U (45 A) or the PT-24-95U (95 A) for other 24 V output levels, or the PT-40U for a 12 V system.

Find the Right Power Equipment

Use these collections to compare inverter/chargers, inverters and other RV and marine equipment. A collection link is for browsing and does not confirm compatibility.

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Frequently Asked Questions

Is the Newmar PT-24-60W an inverter?
No. It is a battery charger only. Our catalog data lists inverter fields for this item, but it does not produce AC power.
How many batteries can it charge?
It has 3 output banks, sharing a total of 60 A.
Which battery types does it support?
Gel-cell, flooded lead-acid and AGM, selected with a switch.
What AC input does it accept?
207–253 VAC only. Newmar lists 115 V input as not applicable, so it needs a 230 V supply.
Is a temperature sensor available?
Yes. The temperature sensor (model TP) is optional.
Is a remote panel available?
No. Newmar lists the remote panel as not applicable to the PT-24-60W. Use the PT-MCU for added control and monitoring.
What battery capacity suits it?
Newmar recommends 120–600 Ah.
Can it run loads without a battery?
Yes. Newmar states it can act as a regulated power supply.

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