Protection Circuits And Fusing; Mounting The Punch - Rockford Fosgate PUNCH 30 Installation Manual

PUNCH 30 MOSFET PROTECTION AND FUSING
PUNCH 45 MOSFET PROTECTION AND FUSING
PUNCH 75 MOSFET PROTECTION AND FUSING
PUNCH 150 MOSFET PROTECTION AND FUSING

MOUNTING THE PUNCH

The Punch30 is protected by two 3-Ampere speaker-line fuses and by a 7-Ampere battery fuse.
A thermal sensor shuts down the amplifier in case of overheating. Internal circuitry shuts down
the amplifier in case of overload.
The Punch Amplifier 45 MOSFET is protected by power line fusing, computerized output stage
protection circuits, and a thermal sensing circuit will turn off the amplifier for several minutes if
the heatsink temperature rises above 90 degrees Celsius (195 degrees Fahrenheit). In addition,
in-line 5-Ampere fuses are provided on the output wires for the speaker protection (see
SPEAKER FUSING).
The power line fuse supplied with the Punch 45 MOSFET is a
blow fuse. This fuse should supply enough current for normal load and music conditions. For
extreme load conditions, fuses up to 20-Ampere fast blow types may be substituted.
The Punch Amplifier 75 MOSFET is protected by power line fusing, computerized output stage
protection circuits, and a thermal sensing circuit will turn off the amplifier for several minutes if
the heatsink temperature rises above 90 degrees Celsius (195 degrees Fahrenheit). In addition,
in-line 5-Ampere fuses are provided on the output wires for the speaker protection (see
SPEAKER FUSING).
The power line fuse supplied with the Punch 75 MOSFET is a
blow fuse. This fuse should supply enough current for normal load and music conditions. For
extreme load conditions, fuses up to 20-Ampere fast blow types may be substituted.
The Punch Amplifier 150 MOSFET is protected by power line fusing,
protection circuits, and thermal sensing circuit will turn off the amplifier for several minutes if the
heatsink temperature rises above 90 degrees Celsius (195 degrees Fahrenheit). In addition,
line 6-Ampere fuses are provided on the power wires for the speaker protection (see SPEAKER
FUSING).
The power line fuse supplied with the Punch 150 MOSFET is a
fast-blow fuse. This fuse should supply enough current for normal load and music conditions.
For extreme load conditions, fuses up to 35-Ampere
The mounting location and position of the Punch will have a large effect on its ability to dissipate
the heat generated in normal operation. The Punch has a normal heat sink for its heat
dissipation, and internal overheating shutoff circuitry, so it is reasonably tolerant of mounting
variations. However, care should be taken to be sure of adequate ventilation.
fast blow types may be substituted.
7
15-Ampere Type AGC (3AG) fast- 15-Ampere Type AGC (3AG)
15-Ampere 15-Ampere Type AGC (3AG) fast- Type AGC (3AG) fast-
computerized output stage
25-Ampere Type AGC (3AG)
25-Ampere Type AGC (3AG)
fast-
in-