Newmar Power 115-24-10 Power Supply for Commercial Marine Equipment

115-24-10 Power Supply

This super-rugged DC power supply is ideal for powering 24-volt communication and navigation equipment onboard commercial vessels where reliability is essential. The proven linear circuit design provides pure noise-free output and a long service life.

Features:

• Excellent Regulation and Ripple Spec (output voltage maintained within 1% under all rated line and load conditions)
• Polyurethane conformal coated PC board and corrosion-resistant heavy-duty aluminum case with integral shock mounts assure survival in hostile environments
• The heat generated by semi-conductors is extracted and dissipated by large heat sink fins for cool operation
• Protection: overvoltage, current limit; (set @ 105% of intermittent rating), thermal overload, and input/output fusing
• Thermally activated cooling fan on CD units

Specifications:

• Nominal Input/VAC: 115/230
• Maximum Input Current @115: 5.5
• Maximum Input Current @230: 2.5
• Output Amperage (Intermittent): 10
• Output Amperage (Continuous): 4
• Weight: 20 lbs. / 9.1 kg

Case Size:

H x W x D (inch): 5.7 x 4.8 x 16.3

Input Range

105-125/210-250 VAC (selectable), 50-60 Hz; Derate to 50% output below 110 and 220 VAC

Operating Temperature

Standard Units - 0-50 degrees C, Derate linearly from 100% @ 40 degrees C to 50% @ 50 degrees C thermal shutdown @ 85 degrees C case temperature

Duty Cycle:

• Intermittent: 20 minutes max on time, 20% duty
• Continuous: 24 hours/day 100% Duty

Options:

• Modify for use as a battery charger
• The output voltage is adjusted (see Output Voltage for range)
• Transfer relay for back-up battery in event of power failure (ERC option)

Output Voltage:

• 24.5 VDC (Internally adjustable 21-27.5 VDC)
• Ripple: 70mV P-P (@ 110-125 / 220-250 VAC input)
• 1% Line and Load (@ 110-125 / 220-250 VAC input)

Mechanical:

• Powder-coated aluminum heat sink case
• Front panel terminal block
• Heavy-duty mounting flange
• Conformal-coated PC board

The Newmar Power 115-24-10 Power Supply is a rugged and reliable DC power source designed specifically for 24-volt communication and navigation systems onboard commercial vessels. Its linear circuit design ensures a pure, noise-free output, which is critical for sensitive marine electronics. Built to withstand harsh environments, this power supply features a corrosion-resistant heavy-duty aluminum case with polyurethane conformal coating, making it ideal for maritime applications where durability is essential. The integrated shock mounts further enhance its resilience against vibrations and shocks common at sea.

This power supply offers excellent regulation and minimal ripple, maintaining output voltage within 1% under various line and load conditions. It includes comprehensive protection features such as overvoltage, current limit (set at 105% of intermittent rating), thermal overload, and input/output fusing, ensuring safe and stable operation. A thermally activated cooling fan on the control units helps maintain optimal operating temperatures, preventing overheating during continuous use. The unit’s heat sink fins efficiently dissipate generated heat, contributing to its long service life.

Designed with versatility in mind, the Newmar 115-24-10 supports a wide input voltage range of 105-125 or 210-250 VAC, with options for modification to serve as a battery charger or incorporate a transfer relay for backup power. It provides a continuous output current of 4 amps with intermittent peaks up to 10 amps, making it suitable for various demanding marine applications. The output voltage is adjustable from 21 to 27.5 VDC, with ripple kept below 70mV P-P to ensure stable power delivery. Its compact, powder-coated aluminum case includes a front panel terminal block and heavy-duty mounting flange for easy installation.

Operating temperature ranges from 0 to 50 degrees Celsius, with linear derating from 40 to 50 degrees Celsius. It supports both intermittent and continuous duty cycles, with a maximum on-time of 20 minutes for intermittent operation. The durable construction and reliable performance make the Newmar Power 115-24-10 ideal for critical communication and navigation systems on commercial vessels, providing peace of mind in demanding maritime environments.

Features:

• Excellent voltage regulation and ripple control, maintaining output within 1%

• Corrosion-resistant heavy-duty aluminum case with polyurethane conformal coating

• Integrated shock mounts for resilience in hostile environments

• Effective heat dissipation through large heat sink fins for cool operation

• Protection features including overvoltage, current limit, thermal overload, and fusing

• Thermally activated cooling fan for continuous operation

• Wide input voltage range with selectable options and derating capabilities

• Adjustable output voltage from 21 to 27.5 VDC with low ripple

• Compact powder-coated aluminum case with front terminal block and heavy-duty mounting flange

• Supports both intermittent and continuous duty cycles for flexible operation