Resistance Box

• Application
• Calibration and testing of earth resistance tester

• Capacity
• Multiple selectable resistance values

• Color
• Grey with black handle and knobs

• Components
• High-stability resistors, rotary selector switch, enclosure box

• Current Rating
• Low (<1A for testing signal)

• Dimension (L*W*H)
• Approx 240 x 180 x 120 mm

• Display Type
• Other, Analog (scale via dial selection)

• Features
• Multiple resistance settings, portable design, robust enclosure

• Frequency
• DC or AC (as per test meter)

• Function
• Used to simulate earth resistance for testing earth resistance testers

• IP Rating
• IP20 (indoor use)

• Input
• Manual dial selection

• Interface
• Output terminals for meter connection

• Operating Temperature
• 0C to 50C

• Output
• Resistance values for testing

• Power Source
• None (passive component)

• Product Type
• Ground Resistance Box

• Rated Voltage
• Not Applicable (Passive device)

• Resolution
• Resistance steps as per box configuration

• Response Time
• Instantaneous (manual switch)

• Size
• Standard portable

• Thermal Conductivity
• Standard for enclosure material

• Thickness
• Approx 4 mm (case wall)

• Usage
• Laboratory and field testing of ground resistance meters

• Weight
• Approx 3-5 kg

• Application
• Testing electrical equipment, load banks

• Capacity
• Up to 100 kW

• Color
• Metallic silver with black accents

• Components
• High-quality resistors, air cooling fans, control knobs

• Current Rating
• Up to 200A

• Dimension (L*W*H)
• Approx. 700mm x 400mm x 450mm

• Display Type
• Other, Analog or Digital Meter (optional)

• Features
• Robust construction, Air-cooled with high-efficiency fans, Stepwise control, Overheat protection, Easy mobility with wheels

• Frequency
• 50 Hz / 60 Hz

• Function
• Variable high-power resistance for testing and load applications

• IP Rating
• IP20

• Input
• AC Mains

• Interface
• Manual control switches, terminals

• Operating Temperature
• -10C to +55C

• Output
• Variable resistance load

• Power Source
• Electric mains

• Power Supply
• Electric

• Product Type
• High Power Air-Cooled Resistance Box

• Rated Voltage
• Up to 440V AC

• Resolution
• Stepwise resistance selection

• Response Time
• Instantaneous

• Sensors Specification
• Integrated thermal sensors (optional)

• Size
• Large

• Supply Voltage
• 220V/380V/415V/440V AC

• Thermal Conductivity
• High heat dissipation with forced air

• Thickness
• Panel thickness 3mm (approx.)

• Usage
• Industrial testing, laboratories, electrical training

• Weight
• Approx. 40 kg

• Application
• Lab testing, educational demonstration, resistor load application

• Capacity
• Up to 500W (model dependent)

• Color
• Grey with black dials and markings

• Components
• High wattage wire wound resistors, rotary switches, terminals

• Current Rating
• Up to 10A (model dependent)

• Dimension (L*W*H)
• Approx. 310 x 180 x 140 mm

• Display Type
• Other, Mechanical dial selection

• Features
• Robust casing, heavy duty resistors, ventilated enclosure, high accuracy

• Frequency
• DC to 50/60Hz AC

• Function
• Variable resistance box for power dissipation and load testing

• IP Rating
• IP20 (for indoor laboratory use)

• Input
• Banana socket / binding post terminals

• Interface
• Rotary selector and terminal posts

• Operating Temperature
• 0C to 55C

• Output
• Banana socket / binding post terminals

• Power Source
• Passive device (no external power)

• Power Supply
• Not required (passive device)

• Product Type
• Heavy Duty Power Dissipation Resistance Box

• Rated Voltage
• 600V AC/DC Max

• Resolution
• Resistance selection accuracy: up to 0.01 (model dependent)

• Response Time
• Instantaneous

• Size
• Large bench top

• Supply Voltage
• No internal supply required

• Thermal Conductivity
• High for heat dissipation, ventilated design

• Thickness
• Sheet metal enclosure, approx. 1.2 mm

• Usage
• Used for calibration, electrical, and educational experiments

• Weight
• Approx. 2.5 kg - 4.5 kg (depending on model)

• Application
• Research labs, educational institutions, industrial equipment testing

• Capacity
• Up to 10 kW load handling

• Color
• Silver and Black

• Components
• High-power ceramic resistors, rotary selector switch, terminal posts, ventilation grills

• Current Rating
• Up to 50A maximum

• Dimension (L*W*H)
• 450 x 300 x 250 mm

• Display Type
• Other, Analog (optional for current/voltage monitoring)

• Features
• High load capacity, robust construction, easy to operate, overload protected, portable

• Frequency
• 50 Hz

• Function
• Variable power load simulation, electrical resistance adjustment for testing applications

• IP Rating
• IP20

• Input
• AC mains, variable resistor input terminals

• Interface
• Heavy duty binding posts for input/output

• Operating Temperature
• 0C to 55C

• Output
• Adjusted resistive load, output terminals

• Power Source
• AC Power

• Power Supply
• Electric

• Product Type
• High Capacity Power Load Resistance Box

• Rated Voltage
• AC 220V

• Resolution
• Variable in discrete steps, typically 1 Ohm or 10 Ohm per step

• Response Time
• Instantaneous upon switch selection

• Sensors Specification
• Built-in temperature sensor for overload protection (optional)

• Size
• Large (portable): 45 cm x 30 cm x 25 cm approx.

• Supply Voltage
• 220V AC or as specified

• Thermal Conductivity
• High-grade aluminum heatsink for optimal heat dissipation

• Thickness
• 3 mm (enclosure) approx.

• Usage
• Testing electronic components, electrical load simulation

• Weight
• Approx. 15-18 kg

• Application
• Testing, Calibration and Educational Demonstrations

• Capacity
• 50W - 1000W (selectable range)

• Color
• Grey

• Components
• Wire Wound Resistors, Metal Enclosure, Terminal Connectors

• Current Rating
• Up to 15A

• Dimension (L*W*H)
• 400 mm x 200 mm x 240 mm (approx.)

• Display Type
• Other, Analog/None

• Features
• Ventilated casing, robust carrying handle, multiple resistance steps, high heat dissipation

• Frequency
• 50/60 Hz

• Function
• Used for electrical resistance regulation and load testing

• IP Rating
• IP20

• Input
• Electrical Power Input (as per rating)

• Interface
• Heavy Duty Input/Output Terminals

• Operating Temperature
• -10C to +55C

• Output
• Regulated Resistive Load

• Power Source
• Mains Electricity

• Power Supply
• Electric

• Product Type
• Ventilated Power Resistance Box

• Rated Voltage
• Up to 500V AC/DC

• Resolution
• Step-wise resistance variation

• Response Time
• Instantaneous

• Size
• Custom as per resistance and wattage

• Supply Voltage
• 110V/220V/415V AC

• Thermal Conductivity
• Enhanced by ventilation slots

• Thickness
• Sheet Metal: 1.6 mm (typical)

• Usage
• Industrial and Laboratory Testing

• Weight
• Approx. 8-25 kg (varies by model)

• Application
• Electrical Load Testing, Power Equipment Testing

• Capacity
• Up to 100 kW or as per requirement

• Color
• Grey / Silver

• Components
• Resistor Elements, Cooling Fans, Contactor, Indicating Lamps

• Current Rating
• Up to 150A

• Dimension (L*W*H)
• 1100mm x 450mm x 800mm (approx.)

• Display Type
• Other, Analog / LED Indicator

• Features
• Portable, Sturdy Enclosure, Over Temperature Protection, Heavy Duty Terminals

• Frequency
• 50Hz

• Function
• Electrical load testing and power dissipation

• IP Rating
• IP23

• Input
• AC 415V

• Interface
• Manual control panel, Terminal Connections

• Operating Temperature
• -10C to 55C

• Output
• Resistive Load

• Power Source
• Electric

• Power Supply
• Three Phase AC

• Product Type
• Electrical Power Resistance Bank Box

• Rated Voltage
• 415V AC

• Response Time
• Instantaneous on switching

• Sensors Specification
• Temperature sensor for protection (inbuilt)

• Size
• Customizable

• Supply Voltage
• 415V / 3 Phase

• Thermal Conductivity
• High (Nickel Chromium alloy elements)

• Thickness
• 2 mm (Enclosure Sheet) approx.

• Usage
• Testing and maintenance of generators, UPS, batteries, and power supplies

• Weight
• Approx. 90 kg

• Application
• Electrical and physics laboratories, calibration, experiments

• Capacity
• Up to 10A

• Color
• Grey / Metallic

• Components
• Nickel-chrome resistance plates, insulated terminals, rotating selector switch, metal enclosure

• Current Rating
• Up to 10A (max)

• Dimension (L*W*H)
• Approximately 30 cm x 18 cm x 14 cm

• Display Type
• Other, Manual scale with pointer

• Features
• Sturdy metal casing, easy-to-read scale, high current capacity, adjustable resistance, insulated terminals

• Frequency
• 50/60 Hz

• Function
• Variable resistance control and load regulation for electrical circuits

• IP Rating
• IP20

• Input
• Terminals for wire connection

• Interface
• Screw terminals

• Operating Temperature
• 0C to 50C

• Output
• Variable resistance via output terminals

• Power Source
• Not self-powered

• Power Supply
• Manual (no internal power supply required)

• Product Type
• Multi-Plate Power Resistance Box

• Rated Voltage
• 250V AC

• Resolution
• Stepwise adjustment by selector switch

• Response Time
• Immediate mechanical response

• Size
• Medium

• Supply Voltage
• 250V AC (max)

• Thermal Conductivity
• Standard heat dissipation through metal body

• Thickness
• Panel thickness approx. 2-3 mm

• Usage
• Laboratory, Testing, Educational Demonstration

• Weight
• Approx. 2-5 kg (varies by model)

• Application
• High Voltage and High Current Testing, Circuit Experiments

• Capacity
• Up to 1000 Watts (varies with model) Kg

• Color
• Black & Silver/Grey

• Components
• High Wattage Wire Wound Resistors, Selector Switches, Terminal Blocks, Metal Casing

• Current Rating
• Up to 12A (depending on unit)

• Dimension (L*W*H)
• 350 mm x 160 mm x 180 mm (Typical) Millimeter (mm)

• Features
• Durable Metal Enclosure, Heat Resistant Design, Easy to Operate

• Frequency
• DC or up to 50/60 Hz AC Hertz (HZ)

• Function
• Variable High Wattage Power Resistance for Electrical Testing

• IP Rating
• IP20 (for lab/indoor use)

• Input
• Terminals for External Power Connection

• Interface
• Manual Rotary Knob & Terminals

• Operating Temperature
• 0C to 55C Fahrenheit (oF)

• Output
• Variable Resistance Output via Terminals

• Power Source
• External Power Supply (via input terminals)

• Power Supply
• Manual, via Terminal Connections

• Product Type
• Power Resistance Box

• Rated Voltage
• Up to 600V Ampere (A)

• Resolution
• Step-wise resistance selection

• Response Time
• Instantaneous (as per selector position) Months

• Size
• Standard/Custom sizes available

• Supply Voltage
• Up to 600V AC/DC Ampere (amp)

• Thermal Conductivity
• Standard metal enclosure, manages heat dissipation Watt/Meter/K (w/(m.k)

• Thickness
• Between 2 mm to 5 mm (Box Casing) Millimeter (mm)

• Usage
• Laboratory, Educational Institutions, Industrial Testing

• Weight
• Approx. 5-12 kg (depending on model) Kilograms (kg)

• Application
• Power testing, circuit analysis, educational and test laboratories

• Capacity
• Up to 100W continuous power dissipation

• Color
• Grey

• Components
• High-grade resistors, rotary/slide selectors, terminal connectors

• Current Rating
• Up to 5A

• Dimension (L*W*H)
• 220 x 150 x 120 mm

• Features
• Rugged metal enclosure, adjustable resistance, panel mountable, heat dissipation grill

• Frequency
• 50/60 Hz

• Function
• Electrical load resistance, current limiting or testing

• IP Rating
• IP20

• Input
• AC/DC power input

• Interface
• Panel mount, screw terminals

• Operating Temperature
• -10C to +55C

• Output
• Resistive load output

• Power Source
• Mains powered

• Power Supply
• Electric

• Product Type
• Panel Mounted Power Resistance Box

• Rated Voltage
• 230V AC

• Response Time
• Instantaneous

• Size
• Medium

• Supply Voltage
• Up to 250V AC/DC

• Thermal Conductivity
• High, with ventilated grill design

• Thickness
• 1.5 mm (enclosure body)

• Usage
• Panel testing, laboratory, and industrial applications

• Weight
• Approx. 2.5 kg

• Application
• Testing, Calibration, and Research Applications

• Capacity
• Up to 10 kW (Model Dependent)

• Color
• Grey

• Components
• High Power Precision Resistors, Rotary Selector Switches, Terminal Connectors, Protective Enclosure

• Current Rating
• Up to 20A (Depending on Resistance Selection)

• Dimension (L*W*H)
• Approx. 350mm x 220mm x 150mm

• Display Type
• Other, No Digital Display (Manual Dial/Selector)

• Features
• Rugged Construction, High Accuracy, Adjustable Resistance, Overload Protection, Easy-to-Read Markings

• Frequency
• DC to 1kHz (for AC applications)

• Function
• Provides precise high-power resistance for testing, calibration, and load applications.

• IP Rating
• IP20

• Input
• Variable as per connection (Compatible with multi-range sources)

• Interface
• Heavy Duty Terminal Posts with Knurled Nuts

• Operating Temperature
• 0C to 50C

• Output
• Adjustable High Power Resistance Output

• Power Source
• Passive Device, No Power Source Required

• Power Supply
• Manual Operation (No External Power Required)

• Product Type
• High Power Resistance Box

• Rated Voltage
• Up to 1000V AC/DC

• Resolution
• Selectable Steps (e.g., 0.1, 1, 10, etc.)

• Response Time
• Instantaneous Response (Manual Adjustment)

• Size
• Medium to Large (Customizable per model)

• Supply Voltage
• Not Applicable (Passive Device)

• Thermal Conductivity
• Air-Cooled, Vented Design for Heat Dissipation

• Thickness
• 3-5 mm (Enclosure Panel Thickness)

• Usage
• Industrial Resistance Testing, Calibration Labs, R&D Facilities

• Weight
• Approx 10-20 kg (varies by model specification)