MEAN WELL ESC-120-27 Battery Charger, 27 V, 4 A, 108 W

At a glance

Battery Charging Voltage: 27 V
Charging Current: 4 A rated (0 to 4 A)
Rated Output Power: 108 W
Input Voltage Range: 88 to 132 V AC / 176 to 264 V AC selected by switch
Dimensions: 150 x 140 x 86 mm (L x W x H)
Efficiency (typ.): 83%

Model ESC-120-27Current model

MEAN WELL ESC-120-27 Battery Charger, 27 V, 4 A, 108 W

Price on request

At a glance

Battery Charging Voltage: 27 V
Charging Current: 4 A rated (0 to 4 A)
Rated Output Power: 108 W
Input Voltage Range: 88 to 132 V AC / 176 to 264 V AC selected by switch
Dimensions: 150 x 140 x 86 mm (L x W x H)
Efficiency (typ.): 83%

Desktop unit that charges a battery or works as a DC power supply, with protection against reversed battery leads and battery fault conditions. Battery charger, 27 V, 4 A, 108 W. AC input range selected by switch.

Charging current

4 A rated (0 to 4 A)8 A rated (0 to 8 A)

Part of the MEAN WELL ESC-120 series. Compare both models

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WarrantyManufacturer warranty under MEAN WELL's terms: 2 years. Warranty claims
DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery

Overview

What it is

The MEAN WELL ESC-120-27 is a battery charger from the ESC-120 series (108 W/216 W Desktop Power Supply or Charger), rated 27 V, 4 A, 108 W.

What it is used for

Desktop battery charger with a fixed 27 V output, used to charge a battery; ESC models protect against reversed polarity and battery under or over voltage.

Key features

AC input range selected by switch.
Protections: short circuit, overload, over voltage, over temperature.
Battery under voltage, over voltage and polarity protection (ESC models).
3 colour LED loading indicator.
Fixed switching frequency at 25 kHz.

Key Specifications

Battery Charging Voltage: 27 V (DC output voltage).
Charging Current: 4 A rated (0 to 4 A).
Rated Output Power: 108 W.
Input Voltage Range: 88 to 132 V AC / 176 to 264 V AC selected by switch; 249 to 370 V DC.

Buying considerations

Size the unit with headroom above the connected load and check the derating information in the datasheet for high ambient temperature or low input voltage. Other models in the same series are listed on this page.

Installation considerations

MEAN WELL treats this unit as a component of the final equipment, so approvals and EMC performance should be confirmed for the complete installation. Wiring and safety details are in the official datasheet linked below.

Features

MEAN WELL ESC-120-27 Battery Charger, 27 V, 4 A, 108 W, dimension drawing — Check the datasheet for tolerances.

Size and fit

Dimensions: 150 x 140 x 86 mm (L x W x H)
Weight: 1.38 kg

Technical specifications

Key facts

What is it?: Battery chargerBrand MEAN WELL, model ESC-120-27
What does it output?: 108 W
What input does it accept?: 88 to 132 V AC / 176 to 264 V AC selected by switch
Which documents are available?: Datasheet Open documents

Output

Battery Charging Voltage: 27 V (DC output voltage)
Charging Current: 4 A rated (0 to 4 A)
Rated Output Power: 108 W
Output Voltage Adjustment Range: 24 to 30 V
Output Voltage Tolerance: ±1.0%
Ripple and Noise (max.): 150 mVp-p
Efficiency (typ.): 83%

Input

Input Voltage Range: 88 to 132 V AC / 176 to 264 V AC selected by switch; 249 to 370 V DC
Input Frequency Range: 47 to 63 Hz

Protection

Withstand Voltage: I/P-O/P: 3 kV AC; I/P-FG: 1.5 kV AC; O/P-FG: 0.5 kV AC

Environment

Operating Temperature: -10 to +60 °C (refer to output load derating curve)
Operating Humidity: 20 to 90% RH non-condensing
Cooling: Free air convection (no fan on 120 W model)

Physical

Dimensions: 150 x 140 x 86 mm (L x W x H)
Weight: 1.38 kg

Approvals

MTBF: 215.8K hrs min. MIL-HDBK-217F (25 °C)

Other

Battery Protection: Battery reverse polarity, under voltage and over voltage protection (ESC models)
Series: ESC-120

Warranty: Manufacturer warranty under MEAN WELL's terms: 2 years. How claims work

Product attributes and shipping details

Brand	MEAN WELL
Power Output	108 W

Downloads

Documentation

ESC-120 series datasheetPublicDatasheet · Family · meanwell.com
Download

Series documents can differ from your exact model. Report a wrong or missing file

Questions about this product

What input voltage does the ESC-120-27 accept?

MEAN WELL lists 88 to 132 V AC / 176 to 264 V AC selected by switch; 249 to 370 V DC for this model.

What battery charging does the ESC-120-27 provide?

The datasheet gives battery charging voltage 27 V (DC output voltage), charging current 4 A rated (0 to 4 A).

Ask about this modelSetup, compatibility, what is in the box

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