HF40W-SB-27.6_Industrial Switching Power Supply Manufacturer

*Image for reference only. Subject to the physical product or technical specifications.

Battery Charger Series

40W Dual Output SB Series (HF40W-SB-27.6)

Product Model：HF40W-SB-27.6

Rated power
(W)：40

Channel (s)：Dual

Output Voltage
(VDC)：27.6V,26.5V

Output Current
(A)：1.4A,0.16A

Input Voltage
(VAC)：85~264

Input Voltage
(VDC)：120~370

Op. Temp.
(℃)：-30~+70

Dimension
(mm)：129*98*39

Certificate report： CE-EMC 丨 CE-LVD

Product Features

This series of switching power supplies with integrated charging function is specifically designed for critical scenarios requiring uninterrupted power supply. With a power range of 20W to 200W, it adopts a compact structure that integrates AC-DC power conversion and intelligent battery management functions.
Built-in multiple protection circuits including battery reverse connection protection, output overload, overvoltage, and short circuit protection ensure high reliability and long service life even in harsh environments.

Compact size and space-saving design Automatic switchover during power outages (UPS function) Battery reverse polarity protection 3-Year Limited Warranty
Wide Input Voltage Range: 85~264VAC / 120~370VDC AC power failure signal Output overload/overvoltage/short-circuit protection
Lead-acid battery charging via float method Low battery level signal Key components from renowned domestic and international brands

Technical Parameters

Product Model

HF40W-SB-27.6
Product Specifications

1.4A,0.16A
Input voltage range

85~264VAC (120~370VDC)
Input frequency

47~63Hz
Inrush current

＜45A/230VAC, cold start
Input leakage current

＜0.75mA/240VAC
Line regulation

≤±0.5%
Voltage adjust range

V1:±5% of rated output voltage, V2: unadjustable
Overload protection

105~150%, hiccup mode, auto recovery
Over voltage protection

115~150%, shut off, re-power on to recover
Withstand voltage

I/P-O/P: 3.0KVAC/1min; I/P-F/G: 1.5KVAC/1min; O/P-F/G: 0.5KVAC/1min
Rise, hold up time

50ms, 20ms@full load (typical)
Operating temperature

-30℃~+70℃ (refer to the derating curve)
Safety standards

meet UL62368-1, EN IEC62368-1, GB4943.1
EMC standards

meet EN55032, EN55035, EN61000-3-2,3, EN61000-4-2,3,4,5,6,8,11
Cooling method

convection
Ripple & Noise

150mV
Efficiency (Typ.)

83%

Related Products

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Product Parameters

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Product Model：
HF40W-SB-13.8

Product Parameters

Rated power
(W)：40

Output Current
(A)：2.9A,0.23A

Op. Temp.
(℃)：-30~+70

Channel (s)：Dual

Input Voltage
(VAC)：85~264

Dimension
(mm)：129*98*39

Output Voltage
(VDC)：13.8V,13.4V

Input Voltage
(VDC)：120~370

Rated power
(W)：40

Channel (s)：Dual

Output Voltage
(VDC)：13.8V,13.4V

Output Current
(A)：2.9A,0.23A

Input Voltage
(VAC)：85~264

Input Voltage
(VDC)：120~370

Op. Temp.
(℃)：-30~+70

Dimension
(mm)：129*98*39
Product Model：
HF55W-SB-13.8

Product Parameters

Rated power
(W)：55

Output Current
(A)：4.0A,0.23A

Op. Temp.
(℃)：-30~+70

Channel (s)：Dual

Input Voltage
(VAC)：85~264

Dimension
(mm)：160*98*39

Output Voltage
(VDC)：13.8V,13.4V

Input Voltage
(VDC)：120~370

Rated power
(W)：55

Channel (s)：Dual

Output Voltage
(VDC)：13.8V,13.4V

Output Current
(A)：4.0A,0.23A

Input Voltage
(VAC)：85~264

Input Voltage
(VDC)：120~370

Op. Temp.
(℃)：-30~+70

Dimension
(mm)：160*98*39

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