PMU-27V155WCCA

Highlights & Features

AC input voltage range selectable by switch
LED indicators for DC OK (Green) and Battery Reverse Polarity Connection (Red)
Zero switch-over time from loss of AC, to battery operation
Conforms to harmonic current IEC/EN 61000-3-2, Class A
High MTBF > 700,000 hrs per Telcordia SR-332
Monitoring Signals for AC OK, DC OK and Battery Low indication
Overvoltage / Overcurrent / Over temperature / Short circuit protections
Built-in over current and short circuit protection in Buffering (battery discharging) mode operation
Certified according to IEC/EN/UL 62368-1
Technical Specifications:

Output Current: 4A,1.5A

Output Voltage: 27.6V

Output Voltage Adjustment Range: 24-28Vdc

Output Power: 151W

Line Regulation: < 0.5% (90-132Vac @ 90% load,180-264Vac @ 100% load)

Load Regulation: < 1.0% (90-132Vac @ 0-90% load,180-264Vac @ 0-100% load)

PARD: < 150mVpp @ 0°C to -20°C, 0°C to 70°C

Start-up Time: < 1,000ms (115Vac @ 90% load, 230Vac @ 100% load)

Hold-up Time: > 20ms (115Vac @ 90% load, 230Vac @ 100% load)

Dynamic Response (Overshoot & Undershoot O/P Voltage): ± 5%, 0-50% & 50-100% & 10-100% load
(Slew Rate: 0.1A/μS, 50% duty cycle @ 5Hz to 1KHz)

Start-up with Capacitive Loads: 3,600μF at 27.6V/5.5A

Voltage Drop Between Input and Output: Normal Mode: 0.5V typ., Buffering Mode: 0.2V typ.

Rise Time: < 50ms (100Vac @ 90% load, 200Vac @ 100% load)

Nominal Input Voltage: 100-120Vac, 200-240Vac (Selectable by Switch)

Input Voltage Range: 90-132Vac, 180-264Vac (Selectable by Switch)

Nominal Input Frequency: 50-60Hz

Input Frequency Range: 47-63Hz

Input Current: < 2.5A @ 115Vac, < 1.5A @ 230Vac

Efficiency at 100% load: > 85.0% @ 115Vac, > 86.0% @ 230Vac

Inrush Current: (Cold Start) < 25A @ 115Vac & 230Vac

Leakage Current: < 0.5mA @ 264Vac

Power Dissipation: No Load: < 0.4W @ 115Vac, < 0.5W @ 230Vac
100% Load: < 23W @ 115Vac & 230Vac

Case Chassis / Cover: AL / SGCC

Indicator: Green LED, DC OK
Red LED: Battery Connected in Reverse Polarity

Cooling System: Convection

Unit Weight: 0.60 kg (1.32 lb)

Dimensions: 178 x 97 x 38 mm

Operating Temperature: -20°C to +70°C

Storage Temperature: -40°C to +85°C

Power De-rating:

I/P: 90-132Vac:
< 0°C to -20°C de-rate power by 2.25% / °C
50°C to 70°C de-rate power by 2.25% / °C
I/P: 180-264Vac:
< 0°C to -20°C de-rate power by 2.5% / °C
50°C to 70°C de-rate power by 2.5% / °C

Operating Humidity: 5 to 95% RH (Non-Condensing)

Shock Test (Non-Operating): IEC 60068-2-27, 30G (300m/S²) for a duration of 18ms,3 times per direction, 9 times in total

Vibration (Non-Operating): IEC 60068-2-6, 10Hz to 150Hz @ 50m/S² (5G peak); displacement of 0.35mm; 20 min per axis for all X, Y, Z direction

Operating Altitude: 0 to 5,000 Meters (16,400 ft.)

Pollution Degree: 2

Bump Test (Operating): IEC 60068-2-29, 10G (100m/S²) for a duration of 11ms,1000 times per direction, 3000 times in total

Over Voltage Category: II

Nominal Battery Voltage:

(Batteries not included with power supply)
24Vdc
SLA Sealed lead acid battery
2 x 12Vdc
SLA Sealed lead acid battery

Battery Voltage Range:

Continuously Operating: 22.0 to 27.6Vdc (nominal at 24V)
Maximum Allowed Voltage: 32Vdc Max
Minimum Voltage: 16.5Vdc

Battery Capacity: 3.3AH/ 7AH/ 12AH/ 15AH

Battery Charging Mode: (Normal Mode)
CC-CV mode (constant current-constant voltage) at 0 to 1.5A

End of Charge Voltage: The unit always charges battery to a fixed voltage value

Panel Mount

PMU Series

PMU-27V155WCCA

Output Voltage

27.6V

Output Power

151W

Output Current

4A,1.5A

Input Voltage Range

90-132Vac, 180-264Vac (Selectable by Switch)

Dimensions (L x W x H)

178 x 97 x 38 mm

7.01” x 3.82” x 1.50”

Unit Weight: 0.60 kg (1.32 lb)