Project Description

  • Samurai Heat Power Supply


  • Pure sine wave output
  • 365 × 24 hours backup design
  • Up to 20 A charging current
  • Built-in AVR (Automatic Voltage Regulator) function (optional)
  • Heavy duty transformer and circuit
  • Suitable for all kinds of loads
  • 4 ms transfer time
  • Full protection design: overload, overheat, battery overcharge/discharge protection, surge, short circuit protection
  • Generator compatible


Samurai Heat Power Supply
Samurai Heat Power Supply
Samurai Heat Power Supply

Best to power supply water pump for heating systems

HEAT Power Supply series with integrated the latest line-interactive technology, mains frequency design, CPU controlled circuit, and pure sine output which make it a reliable power hub for all kinds of loads, especially for the inductive loads like compressors, electric motors, etc.

Technical specification

Samurai Power HEAT Power Supply500800100015002000
Power500 VA / 300 W800 VA / 480 W1000 VA / 600 W1500 VA / 900 W2000 VA / 1200 W
TransformerHigh efficiency EI type transformer
Voltage range140 ~ 275 V
Frequency45 ~ 65 Hz
Rated output voltage220 V ± 10%
FrequencySynchronized with input frequency at mains mode; 50 / 60 Hz ± 0.1 Hz at battery mode
WaveformPure sine wave (both mains mode and battery mode)
ProtectionOverload, overheat, short circuit, battery low voltage, battery overcharge
Audible alarmBattery mode, overload, overheat, short circuit, battery low voltage, other errors
Temporary mute buttonYes
Permanent mute buttonOptional
Transfer time< 4 msec
CommunicationRS232 (optional)
Operation temperature-5 ~ 40 °C
Storage temperature-15 ~ 45 °C
Humidity10 ~ 90%, non-condensing
Audible noise at 1m< 56 dB
IP levelIP20
Protection classCAT-I
Voltage12 V DC24 V DC
Change current3 stages selectable (low 3 ~ 5 A, medium 7 ~ 9 A, high 13 ~ 15 A); smart charger
Weight without batteries (kg)5.57.510.312.521.5
W x D x H (mm)298 x 280 x 146311 x 390 x 170
Giftbox size W x D x H (mm)350 x 340 x 200370 x 360 x 440

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