MERLIN GERIN (NS 630L) 630 AMP MCCB

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MOQ : 100 Pieces

MERLIN GERIN (NS 630L) 630 AMP MCCB Specification

Rated Short Circuit Making Current
82 kA

Phase
Three Phase

Rated Short Circuit Breaking Current
36 kA

Mechanical Life
12,000 operations

Breaking Capacity
36 kA at 415V AC

Product Type
Moulded Case Circuit Breaker (MCCB)

Installation Options
Panel-mounted, fixed type

Function
Automatic protection against overload and short circuit

Poles Number
3

Rated Voltage
690V AC

Rated Current
630 Amp

Rated Frequency
50/60 Hz

Curves
L (Long time delay)

Temperature Protection
Integrated thermal-magnetic protection

Weight
Approximately 12 kg

Color
Grey/Black

Rated Insulation Voltage (Ui)
750 V

Torque Setting for Terminals
7 Nm

Mounting Position
Vertical or Horizontal

Frame Size
630A

Accessories Available
Auxiliary Contacts, Shunt Trip, UV Release

Operating Voltage Range
440-690 V AC

Connection Type
Front Connection

Operating Temperature
-25C to +70C

Electrical Life
5,000 operations

Utilization Category
A

Trip Unit Type
Thermal Magnetic

MERLIN GERIN (NS 630L) 630 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 MERLIN GERIN (NS 630L) 630 AMP MCCB

MCCB stands for 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 Reliability

The NS 630L MCCB delivers reliable automatic protection against electrical faults, including overloads and short circuits. Its integrated thermal-magnetic trip unit ensures timely response, providing peace of mind for sensitive and valuable electrical infrastructure.

Versatile Installation and Operation

Engineered for flexibility, this circuit breaker can be installed vertically or horizontally in panel-mounted configurations. Front connection makes servicing and maintenance straightforward, and the included accessories expand its monitoring and control capabilities.

Optimized for Demanding Environments

With a robust operating temperature range from -25C to +70C and a high-rated insulation voltage of 750V, the NS 630L is well-suited for various environments. Its strong mechanical and electrical life expectancy ensures enduring performance even under frequent operation.

FAQs of MERLIN GERIN (NS 630L) 630 AMP MCCB:

Q: How does the thermal-magnetic trip unit in the NS 630L MCCB provide protection?

A: The built-in thermal-magnetic trip unit safeguards circuits by automatically disconnecting power in case of prolonged overcurrent or sudden short circuit. The thermal component responds to overloads, while the magnetic aspect acts quickly during short circuits.

Q: What are the typical use cases for the MERLIN GERIN NS 630L breaker?

A: Typical applications include protection and switching in industrial, commercial, and utility power distribution panels where high current handling and rapid fault interruption are critical.

Q: When should I consider using auxiliary contacts or a shunt trip with this MCCB?

A: Auxiliary contacts are helpful when remote status indication (e.g., breaker open/close) is needed. A shunt trip is recommended when remote or automatic tripping is necessary for safety or control integration.

Q: Where can the NS 630L MCCB be mounted for optimal performance?

A: This breaker is designed for both vertical and horizontal panel-mounted positions, supporting optimal integration into a variety of switchboards and distribution panels.

Q: What is the installation process for the NS 630L, and are there specific torque requirements?

A: Installation involves securely fixing the MCCB in the panel and making front terminal connections. All terminal screws should be tightened to a torque setting of 7 Nm as specified to ensure electrical and mechanical reliability.

Q: How does the breaker benefit electrical systems in terms of safety and maintenance?

A: The NS 630L provides automatic fault interruption, minimizing risk of equipment damage and downtime. Its high electrical and mechanical life means reduced maintenance and long-lasting dependability in demanding environments.

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