SENTINEL 300P SERIES

Murphy Sentinel 300P series battery chargers provide automatic, fast and accurate charging of standby batteries.

Sentinel advanced chargers ensure optimal battery power, lifetime and reliability in demanding applications such as power generators, fire-pumps, and critical engine-driven equipment. Switch mode power technology gives a low-ripple DC charge output, plus wide AC supply voltage tolerance, in a compact, light and power-efficient package. Unlike some generic chargers, Sentinel’s multistage DC output is optimized for your battery type and application – Lead Acid or NiCd; sealed or vented cells; ‘wet’, AGM or Gel electrolyte; lead antimony or calcium plates, cell temperature – all critical factors for maintaining battery health, preventing under/over charge and ensuring peak performance.

Power supply
- Operating voltage: 95 – 250 V AC
- Operating frequency: 47 – 63 Hz.
DC Charge Output
- Nominal voltage: programmable 12 or 24 V DC
- Float/boost voltage: programmable, see output calibration table
- Maximum current limit: 10 A
- Voltage ripple: <1%
- Line regulation: <2%
- Load regulation: <2%
Outputs x3 (x4 for non-CAN configurations):
- All models:
  - 1 x SPCO (RL1), 1 x SPNC (RL2), 1 x SPNO (RL3), dry/volt-free contacts (common feed for RL1, RL2 & RL3)
- Standard models (non-CAN configurations):
  - 1 x SPNC (RL4), dry/volt-free contacts, standard output functions (charge fail, AC fail, low battery volts, high battery volts) are NFPA 110 compliant
Rating (all relays): 1A max @ 30 VDC (resistive load), UL class 2
Inputs x2:
- Closed to negative DC to activate, configurable function
Operating temperature: –40° F to 140° F / –40° C to 60° C
Display view-ability (LCD models): 32° F to 122° F / 0° C to 50° C
Humidity: 20% to 90% RH
Electrical safety: 2006/95/EC
Electromagnetic compatibility:
- 2004/108/EC, EN 55022 class B
  (EN 61000-6-1, EN 61000-6-3)
UL approvals
All standard (E)SNTL300P models:
- BBGQ: UL1236, CSA22.2 no. 107.2
- BBHH: UL1236 SE

WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

SENTINEL 300P SERIES

WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information about California Propsition 65, go to www.P65Warnings.ca.gov or visit our California Proposition 65 page.

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