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Mean Well NPB-450-12 Battery Charger 450W 12V - Wide Charging Voltage 25A
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Mean Well NPB-450-12 Battery Charger 450W 12V - Wide Charging Volta...
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Description
Description
The NPB-450 is a 450W Mean Well DIN rail power converter with a 205mm profile (input range: 10.5~21V).
Key Features
- ✓ 205mm width — DIN rail TS-35 compatible
- ✓ Input voltage range: 10.5~21V
- ✓ 3KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Short circuit / Over voltage / Over temperature / Reverse polarity / Under voltage
- ✓ Active PFC — meets international energy efficiency regulations
- ✓ Remote ON/OFF control
- ✓ Safety approvals: EN/EN60335-1/2-29 , UL62368-1, EAC TP TC 004
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesNPB Series
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Power Rating450 Watt
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Output Voltage14.4 Volt
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Rated Current25 Ampere
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Input Voltage90V~264V
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Standards MetCB,CCC,CE,EAC,ENEC,UL
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length20.5 cm
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Width13 cm
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Height5.5 cm
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Weight1.02 kg
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Payment & Security
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Frequently Asked Questions
What batteries is the Mean Well NPB-450-12 designed to charge?
The NPB-450-12 is suitable for both lead-acid and lithium batteries. It is built as a general-purpose intelligent charger with selectable default charging curves and 2-stage or 3-stage charging options, which helps it fit different battery types.
What are the key output specifications of the NPB-450-12?
This model is rated at 450W with a 14.4V output and 25A rated current. Those specifications make it a higher-power 12V battery charger for applications that need faster charging capability than smaller desktop chargers.
What makes the NPB-450-12 different from a basic fixed-output charger?
The NPB-450-12 includes an ultra-wide charging range auto-sensing function and built-in CANbus support, which sets it apart from simpler chargers. It also allows charging voltage, charging current, and timeout programming through the optional SBP-001, plus front-panel current adjustment from 50% to 100% of rated current.
Is the NPB-450-12 a good fit for industrial or commercial battery charging applications?
Yes. This charger is designed as a highly reliable intelligent unit with features such as programmable charging parameters, CANbus communication, and support for both lead-acid and lithium batteries. Those capabilities make it well suited to B2B environments where charging flexibility and control matter.
Can the NPB-450-12 operate in demanding temperature conditions?
Yes. The NPB-450-12 is rated for a wide operating temperature range of -30°C to +70°C, helping reduce environmental limitations in tougher installations. It also uses a temperature-controlled low-noise fan and includes auto-derating when over temperature.
Does the NPB-450-12 support configuration for different charging profiles?
Yes. The charger provides 4 default charging curves selectable by DIP switch, and its 2-stage or 3-stage charging behavior can also be adjusted by DIP switch. For applications needing more control, charging voltage, current, and timeout can be programmed through the SBP-001.
What certifications and warranty does the NPB-450-12 include?
The NPB-450-12 complies with UL/EN 62368-1 and IEC/EN 62368-1/-2-29 dual certifications. It is backed by a 3-year warranty, which is useful for buyers evaluating long-term support and compliance requirements.
