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KAL Series Bidirectional AC Electronic Load

. Wide input range (voltage & frequency)
. Energy recovery
. Versatile operation modes: CC/CR/CP

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Model: KAL

Summary

KAL Series Bidirectional AC Electronic Load is a power converter device based on power frequency isolation, and IGBT two-stage conversion architecture, featuring high reliability, high precision, and programmable. Ideal for the R&D process and production testing of generators, AC power supplies, UPS, transformers, and inverters

Functions

Wide input range (voltage & frequency)
Energy recovery
Versatile operation modes: CC/CR/CP
Power Factor: 0.3~1 (editable)
Simulate various kinds of loads: R/RC/RL

Advantages

Fast response time;
High voltage/current precision;
Complete safety protection: OCP/OTP/OPP
PF≥0.99; Low THD;
Standard communication interfaces: LAN/RS485.

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KAL Bidirectional AC Electronic Load

Models	Power Capacity [kVA]	Rated Current* [A]	Rated Voltage [V]	Frequency* [Hz]	Phase	Voltage Range* [V]
Models	Power Capacity [kVA]	Rated Current* [A]	Rated Voltage [V]	Frequency* [Hz]	Phase	Voltage Range* [V]
KAL-75-33	75	113	220	5-200	3φ4W	50-400
KAL-150-33	150	227	220	5-200	3φ4W	50-400
KAL-300-33	300	454	220	5-200	3φ4W	50-400
KAL-500-33	500	757	220	5-200	3φ4W	50-400

Input Requirements
Phase	3φ3W＋PE
Voltage	380V±15%
Frequency	50Hz±5Hz
Feedback Characteristics
Energy Recovery	Energy recovery is available in full power range.
iTHD	≤3%
Power Factor	≥0.99
Functions & Input Characteristics
Work Modes	CR/CC/CP
Current Precision	±(2%FS+5dgt)
Voltage Precision	±(1%FS+5dgt)
Power Factor	0.3-1 (adjustable) 0.2%·FS
Communication Interfaces
Local/Remote Interfaces	LCD/Upper computer software
Remote Comms	RS485/LAN
Safety & Ambient Conditions
Insulation Resistance	≥20MΩ (500Vdc)
Withstand Voltage	2000Vdc (60s, no arcing/breakdown)
Protection Level	IP21 (indoor)
Cooling	Fan cooling
Ambient Temperature	-10~40℃
Relative Humidity	0-90%RH (Non-condensing at 25℃)
Altitude	≤2000m

Models	Power Capacity [kVA]	Rated Current* [A]	Rated Voltage [V]	Frequency* [Hz]	Phase	Voltage Range* [V]
Models	Power Capacity [kVA]	Rated Current* [A]	Rated Voltage [V]	Frequency* [Hz]	Phase	Voltage Range* [V]
KAL-75-33	75	113	220	5-200	3φ4W	50-400
KAL-150-33	150	227	220	5-200	3φ4W	50-400
KAL-300-33	300	454	220	5-200	3φ4W	50-400
KAL-500-33	500	757	220	5-200	3φ4W	50-400

Input Requirements
Phase	3φ3W＋PE
Voltage	380V±15%
Frequency	50Hz±5Hz
Feedback Characteristics
Energy Recovery	Energy recovery is available in full power range.
iTHD	≤3%
Power Factor	≥0.99
Functions & Input Characteristics
Work Modes	CR/CC/CP
Current Precision	±(2%FS+5dgt)
Voltage Precision	±(1%FS+5dgt)
Power Factor	0.3-1 (adjustable) 0.2%·FS
Communication Interfaces
Local/Remote Interfaces	LCD/Upper computer software
Remote Comms	RS485/LAN
Safety & Ambient Conditions
Insulation Resistance	≥20MΩ (500Vdc)
Withstand Voltage	2000Vdc (60s, no arcing/breakdown)
Protection Level	IP21 (indoor)
Cooling	Fan cooling
Ambient Temperature	-10~40℃
Relative Humidity	0-90%RH (Non-condensing at 25℃)
Altitude	≤2000m

KAL Series Bidirectional AC Electronic Load

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