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Combi SL series
Specification
Power Master SL Combi combines a powerful pure sine wave inverter, a sophisticated
battery charger (with adaptive charge technology), a solar panel regulator and a high-
speed AC transfer switch all integrated into a single compact enclosure.
The pure sine wave output of the SL Combi means it will safely power all types of
equipment, PC's, Laptops, Stereo's, DVD's, LCD TV's, etc...
In the event of a grid failure, or shore/generator power being disconnected, the inverter is
automatically activated in less than 20 millisecond and takes over supply to the connected
loads allowing them to continue to operate without disruption.
The battery charger can draw considerable power from the generator or shore supply and
therefore the power sharing control is incorporated to automatically reduce the charger
power when other loads are in use, thus preventing shoreline overload trips.
12Volt
Code / Specification / Price
PM-3000SL / 3000W Pure Sine Inverter, 100Amp Charger, Solar Regulator / £1499
PM-1500SL / 1500W Pure Sine Inverter, 50Amp Charger, Solar Regulator / £899
24Volt
Code / Specification / Price
PM-3000SL / 3000W Pure Sine Inverter, 70Amp Charger, Solar Regulator / £1499
PM-1500SL / 1500W Pure Sine Inverter, 35Amp Charger, Solar Regulator / £899
48volt models can be specially ordered
Features
Inverter
Pure sine wave AC output
Very low total harmonic distortion (< 2 %)
High surge capacity (+100%) and soft-start design for heavy
Inductive loads such as air conditioning, motors etc
Selectable load detection system for “power saving” mode
High efficiency using low frequency switching with large Toroidal output transformer.
Battery Charger
The SL Series is built around a bi-directional converter, that operates as an inverter or as
a high capacity three-stage battery charger.
Power factor corrected for maximum efficiency
Auto desulphation mode to condition battery for longer life
Multistage charger with programmable voltages and timeout
Temperature sensitive charging for additional care of all batteries (temperature
sensor optional)
Built in 30 Amp solar charge regulator
Bypass Function
Automatic 30 A (3000W) / 15 A (1500W) transfer relay
Solar Regulator
30 Amp Solar charge regulator. Just plug in your solar panels!
Power Sharing
Adjustable power sharing automatically reduces charger power when other loads
increase to prevent tripping of shore power breaker
Auxilary Relay
Two separate relays with volt free contacts each independently programmable to
operate at set conditions e.g. overload, low voltage, bypass operating etc or for auto
generator start / stop.
Display
Front panel mimic display with control switches and LEDs
showing selected operation
and active circuits
LED 4 digit meter selectable DC voltage, AC voltage,
Charge Amps and Mode and also
used during charge voltage programming
LED bar graph for Charge current or Inverter output % load
Optional Remote Control
Power output on / off, Function mode select, Programming
battery charging voltage,
Error message display, Programming auxiliary relay (x2),
Programming input current
limit for power sharing
Specification
Power Master SL Combi combines a powerful pure sine wave inverter, a sophisticated
battery charger (with adaptive charge technology), a solar panel regulator and a high-
speed AC transfer switch all integrated into a single compact enclosure.
The pure sine wave output of the SL Combi means it will safely power all types of
equipment, PC's, Laptops, Stereo's, DVD's, LCD TV's, etc...
In the event of a grid failure, or shore/generator power being disconnected, the inverter is
automatically activated in less than 20 millisecond and takes over supply to the connected
loads allowing them to continue to operate without disruption.
The battery charger can draw considerable power from the generator or shore supply and
therefore the power sharing control is incorporated to automatically reduce the charger
power when other loads are in use, thus preventing shoreline overload trips.
12Volt
Code / Specification / Price
PM-3000SL / 3000W Pure Sine Inverter, 100Amp Charger, Solar Regulator / £1499
PM-1500SL / 1500W Pure Sine Inverter, 50Amp Charger, Solar Regulator / £899
24Volt
Code / Specification / Price
PM-3000SL / 3000W Pure Sine Inverter, 70Amp Charger, Solar Regulator / £1499
PM-1500SL / 1500W Pure Sine Inverter, 35Amp Charger, Solar Regulator / £899
48volt models can be specially ordered
Features
Inverter
Pure sine wave AC output
Very low total harmonic distortion (< 2 %)
High surge capacity (+100%) and soft-start design for heavy
Inductive loads such as air conditioning, motors etc
Selectable load detection system for “power saving” mode
High efficiency using low frequency switching with large Toroidal output transformer.
Battery Charger
The SL Series is built around a bi-directional converter, that operates as an inverter or as
a high capacity three-stage battery charger.
Power factor corrected for maximum efficiency
Auto desulphation mode to condition battery for longer life
Multistage charger with programmable voltages and timeout
Temperature sensitive charging for additional care of all batteries (temperature
sensor optional)
Built in 30 Amp solar charge regulator
Bypass Function
Automatic 30 A (3000W) / 15 A (1500W) transfer relay
Solar Regulator
30 Amp Solar charge regulator. Just plug in your solar panels!
Power Sharing
Adjustable power sharing automatically reduces charger power when other loads
increase to prevent tripping of shore power breaker
Auxilary Relay
Two separate relays with volt free contacts each independently programmable to
operate at set conditions e.g. overload, low voltage, bypass operating etc or for auto
generator start / stop.
Display
Front panel mimic display with control switches and LEDs
showing selected operation
and active circuits
LED 4 digit meter selectable DC voltage, AC voltage,
Charge Amps and Mode and also
used during charge voltage programming
LED bar graph for Charge current or Inverter output % load
Optional Remote Control
Power output on / off, Function mode select, Programming
battery charging voltage,
Error message display, Programming auxiliary relay (x2),
Programming input current
limit for power sharing
Pure Sine Inverters
Specification
Pure Sine Low Frequency Inverters. This new range of pure sine wave inverters use
low frequency switching with large Toroidal output transformer to give efficiencies
and surge capability much higher than other competing high frequency units - and
with low standby power.
This results in lower heating of the unit and lower wasted energy from the supplying
batteries.
Pure sine wave inverters generate a clean waveform just like your mains supply and
are needed for delicate electrical or electronic items such as stereos, laser printers,
digital clocks, rechargeable tools and all equipment with variable motor speed control
such as bread makers, variable speed drills and washing machines.
Code / Specification / Price
PM-3000L / 12V 3000W Continuous 9000W Max Peak Power / £999
PM-1800L / 12V 1800W Continuous 5400W Max Peak Power / £599
PM-1200L / 12V 1200W Continuous 3600W Max Peak Power / £539
PM-650L / 12V 650W Continuous 1950W Max Peak Power / £299
PM-350L / 12V 350W Continuous 1050W Max Peak Power / £150
Features
Inverter
Pure Sine with low THD 2-4%
High surge power up to 350%
Auto voltage regulation ±2%
No load current 250mA
Output voltage adjustable
Green power function
Auto temperature fan control
Input & output isolated
Input low voltage protection
Output short circuit protection
Low battery alarm
Overload protection
Temperature protection 50±5C
ABYC 40°C continuous rated
Specification
Pure Sine Low Frequency Inverters. This new range of pure sine wave inverters use
low frequency switching with large Toroidal output transformer to give efficiencies
and surge capability much higher than other competing high frequency units - and
with low standby power.
This results in lower heating of the unit and lower wasted energy from the supplying
batteries.
Pure sine wave inverters generate a clean waveform just like your mains supply and
are needed for delicate electrical or electronic items such as stereos, laser printers,
digital clocks, rechargeable tools and all equipment with variable motor speed control
such as bread makers, variable speed drills and washing machines.
Code / Specification / Price
PM-3000L / 12V 3000W Continuous 9000W Max Peak Power / £999
PM-1800L / 12V 1800W Continuous 5400W Max Peak Power / £599
PM-1200L / 12V 1200W Continuous 3600W Max Peak Power / £539
PM-650L / 12V 650W Continuous 1950W Max Peak Power / £299
PM-350L / 12V 350W Continuous 1050W Max Peak Power / £150
Features
Inverter
Pure Sine with low THD 2-4%
High surge power up to 350%
Auto voltage regulation ±2%
No load current 250mA
Output voltage adjustable
Green power function
Auto temperature fan control
Input & output isolated
Input low voltage protection
Output short circuit protection
Low battery alarm
Overload protection
Temperature protection 50±5C
ABYC 40°C continuous rated
Battery Chargers
Specification
Power Master Intelligent 3 Stage Battery Chargers.
This range is designed to fully charge larger batteries and banks as quickly as
possible.
Conventional chargers deliver unregulated charging current to the battery and with no
voltage control will continue to force current into the battery even when full charge is
reached. This damage can be prevented with Power Master chargers, which employ
sophisticated voltage sensing, and control circuitry to reduce the charge voltage when
the battery is full charged. The charger kicks into charge mode automatically when
there is significant current drawn by loads being switched on.
Code / Spec / Price
PM-5012 / 50amp 12V / £245
PM-2524 / 25Amp 24V / £195
PM-2512 / 25Amp 12V / £169
PM-1424 / 14Amp 24V / £135
PM-1212 / 12Amp 12V / £125
PM-1024 / 10Amp 24V / £125
Prices Include DC and Mains Cables
Features
Battery
Automatic 3 stage charging
Green LED - On
Yellow LED - Equalizer charge
Robust Aluminum housing
Automatic fan control
Temperature Compensation
Equalizer Charge
Floating Charge
Short circuit protection
Reverse polarity protection
Overload protection
BACK TO TOP
Specification
Power Master Intelligent 3 Stage Battery Chargers.
This range is designed to fully charge larger batteries and banks as quickly as
possible.
Conventional chargers deliver unregulated charging current to the battery and with no
voltage control will continue to force current into the battery even when full charge is
reached. This damage can be prevented with Power Master chargers, which employ
sophisticated voltage sensing, and control circuitry to reduce the charge voltage when
the battery is full charged. The charger kicks into charge mode automatically when
there is significant current drawn by loads being switched on.
Code / Spec / Price
PM-5012 / 50amp 12V / £245
PM-2524 / 25Amp 24V / £195
PM-2512 / 25Amp 12V / £169
PM-1424 / 14Amp 24V / £135
PM-1212 / 12Amp 12V / £125
PM-1024 / 10Amp 24V / £125
Prices Include DC and Mains Cables
Features
Battery
Automatic 3 stage charging
Green LED - On
Yellow LED - Equalizer charge
Robust Aluminum housing
Automatic fan control
Temperature Compensation
Equalizer Charge
Floating Charge
Short circuit protection
Reverse polarity protection
Overload protection
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