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Mean Well

Mean Well GC120A24-R7B Portable Chargers 120.2W 27.2V 4.42A - Green Adaptor

SKU GC120A24-R7B
$45.65 USD
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Overview

GC120A24-R7B is the model of this series: rated power 120.2W, typical efficiency 90%.

Features

  • Charger for lead-acid batteries (flooded,Gel and AGM) and Li-ion batteries (lithium iron and lithium manganese) (Note.1)
  • 2 stage charging characteristic
  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.97
  • No load power consumption<0.5W
  • 3 pole AC inlet IEC320-C14
  • Class I power ( with earth pin)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Cooling by free air convection
  • Fully enclosed plastic case
  • 2 color LED indicator for charging status
  • Approvals: UL / PSE / TUV / EAC / CB / FCC / CE / UKCA
  • 2 years warranty

Specifications

GC120A24-R7BSpecifications from the official datasheet (2025-03-28 edition)

OUTPUT

SAFETY MODEL NO.
GC120A24
DC VOLTAGE (Typ.)
27.2V
RECOMMENDED BATTERY CAPACITYNote.3
20 ~ 65Ah
CONTINUOS OUTPUT CURRENT (Typ.)
4.42A
RATED POWER
120.2W
LED INDICATOR
Charging(CC) : RED Floating charging(CV) : GREEN

INPUT

VOLTAGE RANGENote.4
85 ~ 264VAC 120 ~ 370VDC
FREQUENCY RANGE
47 ~ 63Hz
POWER FACTOR (Typ.)
PF>0.97 / 230VAC PF>0.99 / 115VAC at full load
EFFICIENCY (Typ.)
90%
AC CURRENT
1.4A / 115VAC 0.7A / 230VAC
INRUSH CURRENT (max.)
70A / 230VAC
LEAKAGE CURRENT(max.)
0.75mA / 240VAC

PROTECTION

OVERLOADNote.5
90 ~ 110% rated output power Protection type : Constant current limiting recovers automatically after fault condition is removed
SHORT CIRCUIT
Protection type : Hiccup mode, recovers automatically after fault condition is removed
OVER VOLTAGE
29 ~ 33V Protection type : Shut down o/p voltage, re-power on to recover
OVER TEMPERATURE
100℃ ± 10℃ (RTH2) detect on inside ambient temperature Protection type : Shut down o/p voltage, re-power on to recover

ENVIRONMENT

WORKING TEMP.
-30 ~ +70℃ (Refer to "Derating Curve")
WORKING HUMIDITY
20% ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.03% / ℃ (0~50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, period for 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDSNote. 6
UL1012 (FOR GC120AXX-AD1 Only), TUV BS EN/EN62368-1, PSE J62368-1, EAC TP TC 004 approved
WITHSTAND VOLTAGE
I/P-O/P: 3KVAC
ISOLATION RESISTANCE
I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH
EMC EMISSION
Compliance to BS EN/EN55032 class B, FCC PART 15 / CISPR22 class B, CAN ICES-3(B)/NMB-3(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
2707.9K hrs min. Telcordia SR-332 (Bellcore) ; 400.5K hrs min. MIL-HDBK-217F (25℃)
DIMENSION
167*67*35mm (L*W*H)
PACKING
0.62Kg; 20pcs/13.4Kg/0.95CUFT

CONNECTOR

PLUG
See page 2 ; Other type available by customer requested
CABLE
See page 2 ; Other type available by customer requested
Test conditions and notes7
  1. 1. Modification for charger specification may be required for different battery specification. Please contact battery vendor and MEAN WELL for details.
  2. 2. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  3. 3. This is MeanWell's suggested range, please consult your battery manufacturer for their suggestions about maximum charging current limitation.
  4. 4. Derating may be needed under low input voltage. Please check the derating curve for more details.
  5. 5. Constant current operation region is within 50~100% rated output voltage.
  6. 6. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives.(as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
  7. 7. 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

GC120A24-R7B Mechanical Specification
Mechanical Specification
GC120A24-R7B Plug Assignment
Plug Assignment
GC120A24-R7B Derating Curve
Derating Curve

Downloads

FAQ

What are the main output specifications of the Mean Well GC120A24-R7B?

The GC120A24-R7B is rated for 120.2W output with a 27.2V output voltage and 4.42A continuous output current. It is the 24V battery charger model in Mean Well's GC120 series.

What type of AC input does this charger support?

This model accepts a universal AC input range of 85 to 264VAC, and it also supports 120 to 370VDC input. That wide input range makes it suitable for use across many standard power environments without needing a region-specific version.

What output connector does the GC120A24-R7B use?

This version uses a 4-pin Power DIN DC plug (KYCON KPP-4S or equivalent), identified as the R7B type. Buyers should confirm their equipment is designed for the R7B 4-pin Power DIN plug before ordering.

Does this model include built-in protection features?

Yes. The GC120A24-R7B includes protection for short circuit, overload, over voltage, and over temperature. Its overload protection is specified at 90 to 110% of rated output power, using constant current limiting with auto-recovery.

Is the GC120A24-R7B suitable for demanding temperature environments?

This model is rated for operation from -30°C to +70°C, subject to the manufacturer's derating guidance. That gives it a broader operating range than many indoor-only commercial power adapters.

What makes this model a good fit for portable industrial or commercial use?

It combines a universal 85 to 264VAC input with PFC (power factor above 0.97 at 230VAC) and a -30°C to +70°C working range with derating. The compact 167 x 67 x 35 mm size and 0.62 kg weight also help when portability and space efficiency matter.

What compliance and approval information is listed for this charger?

The product is listed with TUV BS EN/EN62368-1, PSE J62368-1 and EAC TP TC 004 safety approvals, and the EMC specifications include EN55032 Class B, FCC Part 15 Class B, and multiple EN61000 immunity and harmonic standards. UL1012 is noted only for GC120Axx-AD1 variants, so buyers should not assume that approval applies to the R7B version.

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Mean Well GC120A24-R7B Portable Chargers 120.2W 27.2V 4.42A - Green Adaptor
Mean Well

Mean Well GC120A24-R7B Portable Chargers 120.2W 27.2V 4.42A - Green Adaptor

$45.65 USD

GC120A24-R7B is the model of this series: rated power 120.2W, typical efficiency 90%.

Features

  • Charger for lead-acid batteries (flooded,Gel and AGM) and Li-ion batteries (lithium iron and lithium manganese) (Note.1)
  • 2 stage charging characteristic
  • Universal AC input / Full range
  • Built-in active PFC function, PF>0.97
  • No load power consumption<0.5W
  • 3 pole AC inlet IEC320-C14
  • Class I power ( with earth pin)
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Cooling by free air convection
  • Fully enclosed plastic case
  • 2 color LED indicator for charging status
  • Approvals: UL / PSE / TUV / EAC / CB / FCC / CE / UKCA
  • 2 years warranty
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