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Model 441

Product catalog summary

Overview: The Model 441 is a 12-volt emergency sump pump system designed to operate automatically during power failures. It includes a high-output submersible pump, an automatic mercury-free switch, a control panel, a battery box and strap (battery not included), a 12-volt charger, and necessary fittings for 1-1/2" or 1-1/4" connections.

Features:

Automatic start-up and operation during power outages.
Advanced 5-stage charging system that outperforms traditional trickle chargers by maintaining maximum battery charge without overcharging.
Audible alarm and light to indicate emergency pump operation.
Compatible with marine-type deep-cycle batteries, with Type M27 recommended.
Easy wiring with slip-on connectors and terminal block.
Fully assembled float switch for compact pumps.

Charging System Details:

Stage One: Pre-Qualification Test - Yellow LED flashes, testing the battery for faults.
Stage Two: Constant Current Charge - Yellow LED stays on, charging at full output.
Stage Three: Constant Voltage Charge - Yellow LED remains on until fully charged.
Stage Four: Float Charge - Green LED indicates maintenance charge while AC power is connected.
Stage Five: Recycle Charge - Initiates a new charge cycle every 84 days during storage.

Safety Features:

150-hour safety timer to prevent overcharging.
Reverse battery and short circuit protection.

Performance: The pump can operate continuously for up to 4 hours or intermittently for up to 30 hours, depending on the frequency of pump cycles and battery condition.

Specifications:

Charger Input: 120Vac, 0.19Aac, 60Hz
Charger Output: 12Vdc, 900mA
Safety Timer: 150 hours

Installation: The system includes a typical installation diagram and is designed for easy setup with provided components.

Catalog excerpts

441 DS V8.qxd:Model 441 DS V2 10/11/11 9:28 AM Page 1 Model 441 NEW! Vertical switch for compact pumps Emergency Sump Pump System 12V Battery Operated Works automatically when power fails! Model 441 Includes: • High output 12 volt submersible pump • Automatic, mercury-free switch • Control panel • Battery box and strap (battery not included) • 12 volt charger • Tee, check valve and bushings for 1-1/2" or 1-1/4" connections Features: • Automatic start-up • Advanced 5-stage charging system • Audible in-use alarm and light NEW! Advanced 5-Stage Charging System

Open the catalog to page 1

441 DS V8.qxd:Model 441 DS V2 10/11/11 9:28 AM Page 2 MODEL 441 12 VOLT EMERGENCY SUMP PUMP SYSTEM FEATURES: Charger Specifications: • Advanced Charging System outperforms “trickle” chargers with a 5-stage charging process. The system tests the battery and maintains a maximum charge without running the battery down or selfdischarging. A sophisticated charging algorithm continuously tests the charging process from start to finish. CHARGING STAGES: Stage One: Pre-Qualification Test - Yellow Light Emitting Diode (L.E.D.) flashes during this stage. Pre-Qualification Test applies three tests to the...

Open the catalog to page 2

Model 441

Model 441

Catalog excerpts

All Liberty Pumps catalogs and technical brochures