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L&T (d sine - DN3-630D) 500 AMP MCCB

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MOQ : 100 Pieces

L&T (d sine - DN3-630D) 500 AMP MCCB Specification

Phase
Three Phase

Rated Short Circuit Making Current
Available on request

Rated Short Circuit Breaking Current
36 kA at 415V AC

Mechanical Life
10,000 Operations

Breaking Capacity
36 kA

Product Type
MCCB (Molded Case Circuit Breaker)

Installation Options
Fixed / Plug-in / Drawout

Function
Protection against overload and short circuit

Poles Number
3 Pole

Rated Voltage
415V AC

Rated Current
500 Ampere

Rated Frequency
50/60 Hz

Curves
D Curve

Temperature Protection
Provided

Weight
Approx. 6.3 kg

Color
Grey

Conformity Standards
IS/IEC 60947-2

Rated Insulation Voltage
690V

Protection Degree
IP20

Utilization Category
A

Terminal Type
Box type / Spreaders (optional)

Short Time Withstand Current (Icw)
15 kA for 1 sec

Ambient Temperature
-5C to +55C

Trip Class
Adjustable

Accessory Options
Auxiliary Switch, Shunt Trip, Alarm Switch, Under Voltage Release (optional)

Mounting
Vertical & Horizontal

Operating Voltage Range
220V 690V AC

Electrical Life
2,000 Operations

L&T (d sine - DN3-630D) 500 AMP MCCB Trade Information

Minimum Order Quantity
100 Pieces

Supply Ability
100 Pieces Per Day

Delivery Time
2 Days

Sample Available
Yes

Main Domestic Market
All India

About L&T (d sine - DN3-630D) 500 AMP MCCB

MCCB stands forA Molded Case Circuit Breaker. It is another type of electrical protection device which is used when load current exceeds the limit of a miniature circuit breaker. The MCCB provides protection against overload, short circuit faults and is also used for switching the circuits.

Advanced Protection and Durability

Engineered with precision, the DN3-630D MCCB safeguards electrical systems by providing reliable protection against both overload and short circuit conditions. Featuring adjustable trip settings and temperature protection, it ensures operational safety, even in harsh climatic conditions ranging from -5C to +55C. The device boasts an impressive mechanical life of 10,000 operations and offers flexible accessory options to cater to varied automation needs.

Flexible Installation and Usage

Adaptable to diverse installation environments, the DN3-630D can be fitted in fixed, plug-in, or drawout configurations, suiting panel designs and upgrades. It supports both vertical and horizontal mounting, and features box-type terminals or optional spreaders for simplified wiring. This MCCB is designed for easy integration, making it suitable for manufacturers, distributors, suppliers, and traders handling a variety of industrial applications.

FAQ's of L&T (d sine - DN3-630D) 500 AMP MCCB:

Q: How does the L&T 500 AMP MCCB ensure protection against overload and short circuits?

A: The MCCB is equipped with an adjustable trip class that allows users to set appropriate thresholds for overload and short circuit protection, automatically disconnecting the circuit to prevent equipment damage and hazards.

Q: What is the process for installing the DN3-630D MCCB, and where can it be mounted?

A: The device can be installed in fixed, plug-in, or drawout configurations and supports both vertical and horizontal mounting. This flexibility accommodates a wide range of panel types and industrial layouts.

Q: When should optional accessories like the auxiliary switch or shunt trip be used with this MCCB?

A: Optional accessories such as auxiliary switches, shunt trips, alarm switches, and under voltage releases are recommended when remote signaling, control, or safety interlocking is required, enhancing monitoring and system automation.

Q: What are the conformity and safety standards followed by this MCCB?

A: This model complies with IS/IEC 60947-2 standards, ensuring adherence to recognized international parameters for safety, performance, and reliability in low-voltage switchgear.

Q: Where is the DN3-630D particularly beneficial to use?

A: The MCCB is ideal for use in industrial, commercial, and utility environments where high current and enhanced protection are crucial, such as manufacturing plants, distribution boards, and utility substations.

Q: What is the rated breaking capacity of the L&T DN3-630D, and what does it signify?

A: The rated breaking capacity is 36 kA at 415V AC, meaning the MCCB can safely interrupt fault currents up to 36,000 amperes without damage, safeguarding critical electrical infrastructure.

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