| Brand: | Astron Corporation |
| Our Model Number: | LSRM-18M |
| Manufacturer's Part Number: | LSRM-18M |
| Description: | Astron 28.0 Volt / 18.0 Amp Power Supply, 19 inch Rack mountable |
| Category: | Power Supplies |
Features and Benefits
Astron Corporation manufactures full line of reliable DC power supplies addressing the needs of consumer and professional users.
Astron builds supplies for several major manufacturers.
Astron DC power supplies are made in the USA of heavy duty, high quality materials.
Astron has your power requirements covered with a wide variety of voltage and amperage outputs and case styles with and without meters.
• Solid state electronically regulated
• Heavy duty heat sink
• Chassis mount fuse
• Fold-back current limiting protects power supply from excessive current & continuous shorted output
• Input voltage: 105-125 VAC
• Crowbar over voltage protection on all models
• Output voltage: 28.0 VDC ± 0.05 Volts
• Three conductor power cord, with US-style 3-prong AC power plug (except RS-3A)
• All metered units feature backlit meters
• Maintain regulation & low ripple at low line input
• Ripple less than 5mV peak to peak (full load & voltage low line)
• One year warranty
• Made in U.S.A.
Technical Parameters and Specifications
| Power Supply Type: | Linear, Regulated |
| Battery Backup: | No |
| Power Supply Voltage Adjustment Control: | Internal |
| Power Supply Metering: | Separate volt and amp meters |
| Power Supply High Current Terminal Location: | Rear panel |
| Power Supply Low Current Terminal Location: | None |
| Power Supply Lighter Socket: | No |
| Power Supply Cooling Method: | Heat sink |
| Power Supply Input Voltage: | 105-125 VAC |
| Power Supply Output Voltage, Volts: | 28.0 ± 0.05 VDC |
| Power Supply Continuous Output, Amps: | 12.0A @ 28.0 VDC |
| Power Supply Peak / Intermittent Output, Amps: | 18.0A @ 28.0 VDC |
| Power Supply Voltage Adjustment Range: | 22-32 VDC |
| Power Supply Current Limit Adjustment Range: | None |
| Power Supply Shipping Weight: | 38.0 lbs (17.2 kg) |
| Power Supply Dimensions: | 6.5 x 3.75 x 9.0” (16.44 x 9.48 x 22.5 cm) |
Additional Information
Min Order Quantity (MOQ): 1 unit
Special Notes:
How to read Astron Corporation power supply model numbers:
Astron power supply part number (example: RS-10A) indicates what intermittent/peak current (in Amps) it is capable of.
Continuous duty current (7.5A) is 25% less than peak (10A). Be mindful of that when selecting a power supply for your application
RS- prefix denotes a standard regulated power supply
RM- prefix denotes a rack-mount power supply (mountable in a 19 inch rack). This package is offered on the larger power supplies.
When first letter in the model number is V (instead of an R), then output voltage and current limit are front-panel adjustable (‘V’ for ‘variable’).
SS- series are Small Switching power supplies.
Several models come equipped with a metal sleeve (hood), for a two-way radio to be mounted inside.
The sleeve is sized so a mobile radio slides in and snugly fits into it. The SS series suffix indicates the make/model of the compatible radio.
SL- series are Small Linear power supplies.
A metal sleeve (a.k.a. hood) is built on top of the cabinet, for a two-way radio to be mounted inside. The sleeve is sized so a mobile radio slides in and snugly fits into it. The SL series suffix indicates the make/model of the compatible radio.
LS- and VLS- series are Linear Special-voltage power supplies, generally 28 volt.
A trailing "M" indicates models with front panel Meters. All current issue metered Astron power supplies have illuminated meters.
20 and 35A supplies have one or two meters. 25A and larger switching supplies have two meters. 50A and larger supplies have two meters.
A trailing "L" indicates there's a cigarette Lighter socket on the front.
A trailing "S" means there's a Speaker inside the case.
A trailing "BB" indicates the Battery Backup option. This options adds battery revert with a trickle charging circuit. When batteries are present (Astron does not supply batteries), they keep the system running even during an AC power failure
A trailing "220V" indicates a foreign input voltage.
This variant of a power supply is for international applications. It is not suitable for domestic (USA) use.
A trailing "-E" indicates a Euro 3-conductor power cord option. It is not suitable for domestic (USA) use.
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Astron Corporation - premier manufacturer of standard and custom current, voltage, ruggedized and switching power supplies. Types include AC and DC to DC power supplies. Available in various configurations. Features vary depending upon model and include ruggedized enclosures, high voltage DC input, battery backup and front end design. Used in a variety of applications including shipboard, cars, trucks, unmanned systems, data centers and mobile towers and mobile field operations. Meets UL, CUL, CE, TUV approvals.
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