WF-9540 Power Center

WF-9540 Power Center

The WF-9540 Power Center provides 40 amps and a clean, constant 13.6 VDC nominal output for the reliable operation of electronics and appliances. Automatic three-stage charging extends the life of your battery with output voltage modes of 13.2 VDC range “float” mode, a 13.6 VDC range “absorption” mode, and a 14.4 VDC range “bulk” charge mode. The WF-9540 Power Center’s quiet operation is assured as the cooling fan runs only when needed.

The only choice of three DC circuit connection modes – Quick Connect Terminals, Screw Terminals, or Wire Pigtails – allows installers to select their preferred wiring connection for speed and ease of installation. Additionally, the WF-9540 Power Center features a zero-clearance front ventilation system, so there is no wasted space around the unit.

The WF-9540 Power Center also brings you the convenience of built-in AC and DC distribution. You can install two 50 amp main AC breakers and up to 12 AC branch circuits using duplex breakers. Seventeen DC branch circuits, including three 30 amp and fourteen 20 amp, have LED lights illuminating to indicate open circuits. Every model complies with FCC Class B, which means that the converters do not cause interference with televisions, radios, or other signals.

Part Numbers: WF-9540-W (Prewired), WF-9540-Q (Quick Disconnect), WF-9540-S-B (Screw Terminals)

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Additional Information

Converter Type

Power Center

Input Voltage/Hz

105-130 VAC, 60 Hz

Output Power


Charging Modes

3-stage Intelligent Charge (VRLA/AGM)

Intelligent Charging Stages

Absorption, Bulk, Storage (VRLA/AGM)

Battery Adaptability

AGM, Lead Acid

Voltage Output

13.2 – 14.4V DC Range

Bulk Charge Voltage (4 Hrs.)

14.4 V

Absorption Charge Voltage


Float Mode (Trickle Charge Voltage)

13.2V DC (trickle charge voltage)

Cooling System

2-Fans Zero Clearance

Efficiency (full load)


Overload Protection

Auto recovery on normal load, Current limiting & shutdown

Short Circuit Protection

Auto recovery on normal load

Over Temperature Protection

Auto recovery on normal load

Reverse Polarity Protection

Fuse Protected, Replaceable by fuse of same rating

Protection Features

Over Temperature, Overload, Reverse Polarity (fuse), Short Circuit

AC Main Breaker

50 A

AC Circuits (twin breakers)

Two- 50A Mains with up to 12 AC Branch Circuits

Built-in Strain Relief


DC Circuits (Quantity)

17 (3 30A Max & 14 20A Max)

Case Color


Case Material



FCC Class B compliant, UL

Input Current


Input Power



11.96 W x 15.04 H x 10.04 D inch / 304 W x 382 H x 255 D mm



Warranty Period

Two Year Limited Product Warranty

DC Current