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Mean Well

Mean Well AD-155C Security Power Supply 156.5W 54V 2.7A - UPS

100% full load burn-in testfixed switching frequency at 45KHzUPS function
SKU AD-155C
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Select model — 5 in this family

AD-155C
Available to order
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Overview

AD-155C is the CH1: 54V / CH2: 53.5V output model of this series: rated current CH1: 2.7A / CH2: 0.2A, rated power 156.5W, typical efficiency 84%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage
  • Battery low and battery polarity protection
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at PFC 67KHz, PWM 134KHz
  • 2 years warranty

Specifications

AD-155CSpecifications from the official datasheet (2024-09-30 edition)

OUTPUT

OUTPUT NUMBER
CH1 / CH2
DC VOLTAGE
CH1: 54V / CH2: 53.5V
RATED CURRENT
CH1: 2.7A / CH2: 0.2A
CURRENT RANGE
CH1: 0 ~ 2.7A / CH2: 0 ~ 0.5A
RATED POWER
156.5W
RIPPLE & NOISE (max.)Note.2
CH1: 240mVp-p / CH2: --------
VOLTAGE ADJ. RANGE
CH1: 48 ~ 58V
VOLTAGE TOLERANCENote.3
CH1: ±1.0% / CH2: --------
LINE REGULATION
CH1: ±0.5% / CH2: --------
LOAD REGULATION
CH1: ±0.5% / CH2: --------
SETUP, RISE TIME
1000ms, 90ms/230VAC 2000ms, 90ms/115VAC at full load
HOLD UP TIME (Typ.)
24ms/230VAC 20ms/115VAC at full load

INPUT

VOLTAGE RANGE
88 ~ 264VAC 124 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.92 at full load
EFFICIENCY (Typ.)
84%
AC CURRENT (Typ.)
2.5A/115VAC 1.5A/230VAC
INRUSH CURRENT (Typ.)
COLD START 23A/115VAC 45A/230VAC
LEAKAGE CURRENT
<1mA / 240VAC

PROTECTION

OVERLOAD
CH1:105 ~ 135% CH2:0.51 ~ 0.9A rated output power Protection type : AC Charging Mode : Constant current limiting, recovers automatically after fault condition is removed UPS Mode : Protected by internal fuse
OVER VOLTAGE
CH1:62.1 ~ 72.9V Protection type : Shut down o/p voltage, re-power on to recover
BATTERY LOW
39V±2V

ENVIRONMENT

WORKING TEMP.
-10 ~ +60℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-20 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
UL62368-1, TUV BS EN/EN62368-1, AS/NZS 62368.1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
ISOLATION RESISTANCE
I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020
EMC IMMUNITY
Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, light industry level, EAC TP TC 020

OTHERS

MTBF
1818.3K hrs min. Telcordia SR-332 (Bellcore) ; 229.9K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
199*110*50mm (L*W*H)
PACKING
0.88Kg; 16pcs/15Kg/0.95CUFT
Test conditions and notes5
  1. 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
  3. 3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf)
  5. 5. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).

Technical drawings

AD-155C Mechanical Specification
Mechanical Specification
AD-155C Block Diagram
Block Diagram
AD-155C Derating Curve
Derating Curve

Downloads

FAQ

What is the AD-155C typically used for?

The Mean Well AD-155C is typically used in higher-voltage security and backup-power systems that need a stable 54V DC output. With 156.5W of rated power and 2.7A output current, it is a fit for applications that need UPS-style DC support on a 54V rail rather than the lower-voltage outputs used by other AD series models.

Can the AD-155C be used in battery-backed DC power systems?

Yes. The AD-155C is positioned as a security power supply with UPS function, so it is intended for DC systems that combine normal supply operation with battery-backed support. The connected load should still stay within the unit's 54V, 2.7A, and 156.5W output limits.

Will the AD-155C operate from standard 120V and 240V AC mains?

Yes. The product data lists an AC input range of 88-264VAC, so the AD-155C can run from common 120V and 240V mains supplies that fall within that range. That makes it easier to deploy across different site power standards without changing models.

Is the AD-155C suitable for exposed outdoor installation?

The current product data does not show a waterproof IP rating, so the AD-155C should be treated as an indoor or enclosure-mounted power supply rather than a directly exposed outdoor unit. Its listed working temperature is -10°C to +60°C, with load derating at higher ambient temperatures per the derating curve, and the final enclosure should still match the site environment.

How does the AD-155C compare with other AD series models?

The AD-155C delivers 156.5W at 54V and 2.7A. In the same AD-155 series, the AD-155A provides 13.8V and 10.5A at 151.55W, and the AD-155B provides 27.6V and 5A at 151.55W. The main selection point is the DC voltage your system requires and the current headroom you need.

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Mean Well AD-155C Security Power Supply 156.5W 54V 2.7A - UPS
Mean Well

Mean Well AD-155C Security Power Supply 156.5W 54V 2.7A - UPS

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AD-155C is the CH1: 54V / CH2: 53.5V output model of this series: rated current CH1: 2.7A / CH2: 0.2A, rated power 156.5W, typical efficiency 84%.

Features

  • Universal AC input / Full range
  • Protections: Short circuit / Overload / Over voltage
  • Battery low and battery polarity protection
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at PFC 67KHz, PWM 134KHz
  • 2 years warranty

Model

  • 13.8V 151W
  • 26.7V 155W
  • 54V 156W
  • 13.8V 51W
  • 26.7V 54W
View product

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