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Punched Grid Resistance Box

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MOQ : 1 Unit

Punched Grid Resistance Box Specification

Surface Finish
Powder Coated

Efficiency
>95%

Operating Temperature
-10°C to +55°C

IP Rating
IP23

Feature
High Power Dissipation, Durable, Precision Control

Insulation Material
Ceramic/Porcelain

Mounting Type
Floor/Wall Mounted

Overheating Protection
Thermal Cutout / Air Vents

Humidity %
Up to 90% non-condensing

Connector Type
Bolt or Terminal Connector

Shape
Rectangular

Product Type
Punched Grid Resistance Box

Application
Industrial

Protection Level
Other

Frequency (MHz)
50 Hertz (HZ)

Rated Voltage
415 V

Energy Consumption
Depends on load

Output Type
AC

Color
Grey

Dimension (L*W*H)
600mm x 300mm x 250mm (approx.)

Weight
Approx. 8-15 kg (varies by model)

Phase
3 Phase

Size
Standard/Custom Sizes Available

Input Voltage
415 V AC

Connection Type
Stud/Terminal Type

Material
Stainless Steel Grid, Mild Steel Enclosure

No Of Poles
3

Type of Cooling
Air Cooled / Natural Cooling

Grid Element Material
Perforated Stainless Steel

Resistance Value Range
0.1 to 20 (as per requirement)

Current Rating
Up to 100A (Model Dependent)

Application Standards
IS 3043 / IEC 60947

Resistance Tolerance
5%

Maintenance
Minimal, easy field servicing

Enclosure Type
Heavy Duty, Powder Coated

Test Voltage
2.5 kV AC for 1 min

Punched Grid Resistance Box Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
3-4 Days

Main Domestic Market
All India

About Punched Grid Resistance Box

Our rich industry experience has enabled us to specialize in the field of manufacturing, supplying and exporting Punch Grid Resistance Box. These boxes are used in controlling and developing a starting torque to meet AC and DC requirements of E.O.T cranes, coal mines, power plants, steel mill duty and cement plants. Made from punched nickel chromium steel alloy sheets, the grids of our resistors are designed according to BSS/NEMA/IEEE standards. Available in different current ratings, we provide customized Punch Grid Resistance Box as per our clients needs.

Features:

Shock and vibration proof
Floor mounting
Galvanized steel sheet
Corrosion resistant

Other Details:

Enclosure Material	Galvanized Sheet Steel (Hotdip)
Mounting	Floor Mounting
Degree Of Protection	IP 21/22/23.
Current Rating (SS-W-Grid)	7 to 100 Amps Continues.
Current Rating (SS P-Grid)	7 to 800 Amps. Continues.
Cooling	Air Cooled
Temperature Rise	225o/250o/375o C
Cable Entry	Bottom

Robust Stainless Steel Construction

Featuring grid elements made from perforated stainless steel, this resistance box ensures enhanced durability and corrosion resistance, even in tough industrial conditions. The powder-coated enclosure adds an extra layer of protection, supporting long-lasting performance and minimal maintenance requirements.

Flexible Resistance Range for Customization

With resistance values from 0.1 to 20 , the punched grid resistance box can be tailored to meet specific operational requirements. This flexibility makes it suitable for a broad spectrum of applications in industrial settings, catering to precise electrical demands.

Safe & Efficient Operation

The unit supports air cooled and natural cooling methods for safe heat dissipation. It is rigorously tested at 2.5 kV AC for 1 minute to ensure electrical safety and compliance with IS 3043 and IEC 60947 standards, providing robust protection during operation.

FAQs of Punched Grid Resistance Box:

Q: How does the punched grid resistance box ensure safe operation in industrial environments?

A: The resistance box adheres to IS 3043 and IEC 60947 standards and is verified with a test voltage of 2.5 kV AC for one minute, ensuring superior electrical insulation and safety in demanding industrial applications.

Q: What is the process for installing and servicing the resistance box?

A: Installation involves securely mounting the powder-coated enclosure in an appropriate location, connecting the device to your AC circuit. Minimal maintenance is required, and easy field servicing is facilitated by accessible components and straightforward design.

Q: When should I select a resistance box with a particular resistance value and current rating?

A: Choose the resistance value (0.1 to 20 ) and model-specific current rating (up to 100A) based on your applications load requirements, electrical protection needs, and operational standards for optimal performance and compatibility.

Q: Where can the punched grid resistance box be utilized?

A: It is commonly used in industrial facilities across India, by dealers, distributors, manufacturers, suppliers, and other entities for controlling and testing electrical circuits, motor control, and protection purposes.

Q: What benefits does air cooled/natural cooling provide for this resistance box?

A: Air cooled and natural cooling mechanisms facilitate heat dissipation without the need for complex external cooling setups, minimizing maintenance and ensuring consistent device performance during operation.

Q: How does the heavy-duty enclosure contribute to the products longevity?

A: The powder-coated heavy-duty enclosure shields internal components from environmental hazards such as dust, moisture, and physical impacts, which extends the lifespan and reliability of the resistance box.

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