Newmar Power 115-12-35CD 12-Volt DC Power Supply for Marine Communication Equipment

115-12-35CD Power Supply

This super-rugged DC power supply is ideal for powering 12-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: 7.5
• Maximum Input Current @230: 3.5
• Output Amperage (Intermittent): 35
• Output Amperage (Continuous): 35
• Weight: 32 lbs. / 14.6 kg

Case Size:

• H x W x D (inch): 6.5 x 9.5 x 14.0

Input Range

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

Operating Temperature

C.D. Units- 0-65 degrees C, Derate linearly from 100% @ 50 degrees C to 50% @ 65 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:

• 13.6 VDC (internally adjustable 12.6-14.5 VDC)
• Ripple: 40mV 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 115-12-35CD is a rugged and reliable 12-volt DC power supply designed specifically for marine communication and navigation systems on commercial vessels. Its linear circuit design ensures pure, noise-free output with excellent regulation, maintaining voltage within 1% under all rated line and load conditions. This stability is essential for sensitive electronics operating in demanding environments, providing consistent power to keep communication systems functioning optimally. The device features a corrosion-resistant aluminum case with polyurethane conformal coating for durability in harsh maritime conditions, along with shock mounts that enhance resilience against vibrations and shocks common onboard vessels. Large heat sink fins effectively dissipate heat generated by semi-conductors, ensuring cool operation and prolonging service life. Safety features include overvoltage, current limit, thermal overload protection, and input/output fusing, providing comprehensive safeguarding for connected equipment. An integrated thermally activated cooling fan on the CD units maintains optimal operating temperature, further enhancing reliability. The power supply supports an adjustable output voltage from 12.6 to 14.5 VDC, with ripple kept below 40 mV peak-to-peak, ensuring clean power delivery. It can operate continuously or intermittently, with options for modifications such as a transfer relay for backup battery support or reconfiguration as a battery charger. Its robust construction includes a powder-coated aluminum heat sink case, front panel terminal block, and heavy-duty mounting flange, facilitating straightforward installation onboard vessels. The unit accommodates a wide input voltage range of 105-125 VAC or 210-250 VAC, with high input current capacity at 115 VAC, making it suitable for various electrical systems. The power supply is engineered to operate reliably within temperatures from 0°F to 150°F, derating linearly at higher temperatures for thermal shutdown at 185°F. Overall, the Newmar Power 115-12-35CD provides a dependable power solution tailored for marine environments, ensuring your communication and navigation systems remain operational under all conditions.

Features:

• Excellent regulation and ripple specifications maintain output voltage within 1% under all conditions

• Corrosion-resistant aluminum case with polyurethane conformal coating and shock mounts for durability

• Large heat sink fins for efficient heat dissipation and cool operation

• Multiple safety protections including overvoltage, current limit, thermal overload, and fusing

• Thermally activated cooling fan ensures optimal operating temperature

• Adjustable output voltage from 12.6 to 14.5 VDC with low ripple

• Supports continuous and intermittent duty cycles for flexible operation

• Wide input voltage range with high input current capacity

• Robust mechanical construction with powder-coated housing and heavy-duty mounting flange

• Options available for battery charging modifications and backup power transfer relay