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30 kW Resistive Load Bank with ±3% Precision and Forced Air Cooling for Generator Testing

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30 kW Resistive Load Bank with ±3% Precision and Forced Air Cooling for Generator Testing
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Features
Specifications
Rated Current: 220V
Precision: ±3%
Minimum Step: 1A
Productname: Resistive Load Bank
Purpose: Generator Testing
Basic Infomation
Place of Origin: China
Brand Name: Jianhong
Certification: CE
Model Number: JH-RYF-30KWA120-W9K-BX-2L
Payment & Shipping Terms
Packaging Details: Wooden box
Delivery Time: 20-25 working days
Payment Terms: T/T
Product Description
Product Features
Dual-circuit compatible design
Features two built-in 15 kW loads; supports parallel operation with a full load of 30 kW at AC 120 V input; supports external wiring switching for series connection under split-phase 240 V conditions, compatible with North American 120/240 V single-phase power systems.
Fine Gear Adjustment
Minimum step: 500 W; Levels: 500 W, 500 W, 1 kW, 1 kW, 2 kW, 5 kW, 5 kW, 5 kW, 10 kW; Pure resistive load with power factor = 1; Chip resistor accuracy: ±3%; Stable load output.
Reliable forced air cooling system for heat dissipation.
Configure 6 units of 15050 fans (AC220V). The air ducts provide forced air cooling from right to left, ensuring controlled temperature rise under prolonged full-load conditions. Suitable for a wide operating temperature range of-10°C to 50°C.
Pure resistive load
A pure resistive load with no harmonic interference, suitable for aging tests and load verification of power supply products.
Application Scenarios
Aging Test for Specified Power Products in North America
The AC120V inverter, switching power supply, adapter, and uninterruptible power supply (UPS) come from the factory with load aging tests performed under full load and step-load conditions.
Inspection of small power generation units and portable generators
Output capability verification, steady-state load test, and performance sampling inspection for 120V single-phase generators
Energy storage converters and testing of small-scale energy storage power supplies
120V Output Energy Storage Module Load Capacity and Continuous Discharge Simulation Test
Laboratory Development and Validation
Power supply development condition simulation, output voltage drop, temperature rise, and full-load reliability testing
Common Questions
Q1: What is the maximum power this unit can handle?
A: It operates on 120 V AC with two parallel circuits, delivering a rated total power of 30 kW. When connected in series to a 240 V split-phase supply, it maintains the same total power output of 30 kW, requiring manual switching – the cabinet cannot perform automatic switching.
Q2: Can only one of the 15 kW circuits be enabled separately?
A: Yes. The equipment has two independent terminal groups (L1, N1 and L2, N2) that can operate with either circuit individually or both simultaneously.
Q3: Is the fan powered by the test power supply (AC 120 V)?
A: No. The fan has an independent auxiliary power supply (AC 220 V, 50 Hz) and must be connected to a separate 220 V mains source; it cannot use the tested 120 V power supply.
Q4: Does an ambient temperature upper limit of 50°C indicate that the device can operate under full load at 50°C for extended periods?
A: The permissible operating environment range is-10°C to 50°C; in high-temperature conditions (>40°C), it is recommended to reduce power consumption appropriately to extend the service life of the resistor and ensure adequate ventilation.
Product Parameter
Product ParameterSpecifications
modelJH-RYF-30KWA120-W9K-BX-2L
brandJianhong
size≤400*545*750MM(length * width * height)
weight≤40KG
rated voltageAC120V
power rating15 kW × 2 channels
accessory power supplyAC220V 50HZ
power factor1
Resistance Precision±3%(Sheet resistor)
Cold RoadForced air cooling, from right to left: 6 15050 fans (operating on 220 VAC power supply).
work environmentWorking environment temperature: -10°C to 50°C, dry and well-ventilated
Local Control Methodair switch
Remote Control MethodNO
IP gradeIP20 (Indoor)
Power Level500W,500W,1KW,1KW,2KW,5KW,5KW,5KW,10KW
Step Precision500W.
Load DescriptionThis load consists of two 120 V/15 kW units. When operating at 120 V, the units operate in parallel; when supplied with a 240 V phase difference, they operate in series (requiring external wiring for conversion).
Load ProtectionNO
operate modeAvailable for continuous online operation 24/7 with a 1-year warranty.
Load Input MethodTwo sets of threaded terminals (First set: L1, N1; Second set: L2, N2)
Auxiliary Power Input MethodStandard power socket
Mobile ModeHandheld casters
Ratings & Review

Overall Rating

5.0
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
100%
4 stars
0%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

E
E*h
United States Nov 2.2025
Helpful (3)
Delivery： Excellent and on time. Quality： Excellent quality equipment! Design： Perfect design! Service: They always respond to their messages promptly.
J
J*n
Indonesia Aug 28.2025
Helpful (5)
The product meets the requirements and the service is excellent.
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resistive load device

rack mounted load bank

resistive load tester

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