• RS Stock No. 885-3672
  • Brand RS Pro
RS Pro
RS Pro 24V, 5A Switch Mode Battery Charger
Product Details

RS Sentinel 150P Switch Mode Battery Charger

The Sentinel 150P is a range of highly efficient, high performance battery chargers, designed for continuous float charge and standby power applications. Switch mode technology provides major advances in power supply and battery charger design, giving a compact and lightweight construction, improved efficiency and low heat dissipation, wide supply voltage tolerance and low output ripple.

Switch mode power supply technology: light and compact, power efficient with low heat dissipation
Multi-stage, low ripple charging: 12V/5A (RS 885-3663) or 24V/5A (RS 885-3672)
Versatile: OEM-configuration gives optimized output for different battery types, plus programmable I/O functions
AutoBoost and temperature compensation
Open-frame with protective cover, for surface mounting inside a panel
For stationary engine, genset and standby power applications

The chargers are configured for fast, accurate charging, to give optimum battery life and reliability. Each charger's output can be OEM-configured for optimal charging of different cell types: vented/wet lead acid, Calcium-Calcium, sealed VRLA (AGM or Gel), NiCd or custom requirements. The very smooth output (< 1% ripple) allows charging of sealed or vented batteries, or use as a stand-alone power supply.

Both models features an intelligent, multi-stage charge regime: during charge recovery mode, the Sentinel gives a constant (maximum) current output; as the battery approaches peak charge, the output reverts to float charge mode, maintaining an optimum cell voltage and supplying additional standing load current up to the rated maximum. Output current is always limited to the rated maximum, even during high load (e.g. engine cranking), short-circuit or reverse polarity connection

RTC sensor for remote temperature compensation feature, complete with 3m/9.8ft lead assembly (RS 885-3688)
SNTL150P-PCCONN programming kit. Includes SNTL150P-PCSUITE software tool (PC compatible) (RS 885-3681)


Standard Sentinel (SNTL150) models feature a compact case for surface (or optional DIN rail) mounting inside existing control panels

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Charge Current5A
Input Voltage95 → 265V ac
Output Voltage24V
Number of Charge Stages2
Dimensions135 x 108.6 x 45mm
Standards MetEN 60065, EN 61000-6-2, EN 61000-6-4, 2004/108/EC
Mounting StylePanel Mount
Battery Type ChargedAGM, Calcium-Calcium, Gel, Lead Acid Antimony, Nickel Cadmium, Vented Lead Acid, VRLA
User InterfaceUSB
Operating Temperature Range-30 → +60°C
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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 885-3672
    Description RS Pro 24V, 5A Switch Mode Battery Charger
    Manufacturer/Brand: RS Pro
    Mfr. Part No. SNTL150P2405CD
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Nov 24, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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