Hebei Kaixiang Electrical Technology Co., Ltd. is one of the leading manufacturers and suppliers of 21kw rack-mounted load bank in China. If you're going to wholesale bulk advanced 21kw rack-mounted load bank, welcome to get pricelist from our factory. All customized products are with high quality and competitive price.
Unlike conventional floor-standing load banks, this rack-mount unit is designed to sit inside the data center rack cabinet alongside live servers-or roll into the white space when racks are not yet installed-enabling truly representative integrated system testing (IST) of power distribution (UPS, PDU, switchgear, generators) and cooling systems (precision air conditioning, in-row cooling, CRAH units, hot/cold aisle containment). It is the definitive testing instrument for data center commissioning, UPS functional testing, thermal management verification, PUE validation, and generator acceptance in hyperscale data centers, colocation facilities, edge computing sites, and telecom central offices.
Technical Parameters
|
parameter |
|
|
Rated Voltage/ Frequency |
Three-phase AC415V or AC single phase AC240V/50Hz/60Hz. |
|
Rated Power |
Resistance Load: 21kW; |
|
Load partitioning |
resistance load: in 9 stages, 1kW,2kW,4kW,1kW,2kW,4kW,1kW,2kW,4kW pay attention to: When the access voltage is lower than the rated voltage, the load cabinet gear power changes according to Ohm's law |
|
interface specification |
Rear panel of the chassis; |
|
power factor |
1 |
|
Precision |
≤±3% |
|
Fan power supply |
L1 road power supply, small circuit breaker control. |
|
Wiring |
Port on the load machine: 32A 2P + PE (3 pin) industrial socket, 3 / 63A 3P + N + PE (5 pin) industrial socket, 1; Wiring position: rear panel of the chassis. |
|
Pilot lamp |
Configure the operation indicator light, and the sound and light alarm light |
|
Insulation |
F |
|
Protection |
IP20 |
|
Working Mode |
Continuous |
|
Cooling |
Forced air cooling, forward air, back air, No air intake or exhaust vents are allowed in other positions. |
|
Color |
Black |
|
Dimension |
12U: about 431mm*533.4mm*450mm (W * H * D), |
|
Weight |
Around 38kg |
|
Transportation |
Front panel mounting handle for easy handling. |
|
Working Invironemnt |
|
|
Working Temperature |
-20℃+50℃ |
|
Relative Humidity |
≤95% |
|
Altitude |
≤2500 meters |
|
Air Pressure |
86～106kPa |
Product Functions&Advantages
Authentic Server Simulation
Realistic Thermal Load Testing: Any combination of load switches can be engaged to accurately simulate the actual heating profile of servers in the computer room-enabling precise verification of precision air conditioning cooling effectiveness, power supply load capacity, and circuit reliability.
Precise 9-Gear Load Control
Flexible MCB Stepping: Equipped with 1 fan switch and 9 independent gear switches (miniature circuit breakers), allowing operators to add or reduce load through any combination of steps-delivering granular, software-free manual control.
Engineered Fan System & Fan-First Interlock
L1-Powered Fan with Indicator: The fan is strategically mounted near the air outlet and draws power from L1, with a dedicated working indicator light for instant status confirmation.
Fan-First Safety Interlock: The load bank physically cannot be loaded unless the fan switch is closed-guaranteeing active cooling is established before any heat is generated.
Comprehensive Safety & Protection
Over-Temperature Auto-Cutoff: When the load temperature exceeds the safety threshold, the system triggers both an audible and visual alarm and immediately disconnects the load.
Mandatory Manual Reset: After an over-temperature event and automatic load reduction, the unit requires manual confirmation before resuming operation-preventing unsafe restart and protecting both personnel and equipment.
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