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MERLIN GERIN (NKF400C) 400 AMP MCCB

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MOQ : 100 Pieces

MERLIN GERIN (NKF400C) 400 AMP MCCB Specification

Breaking Capacity
50 kA at 415V AC

Rated Short Circuit Making Current
Approx. 105 kA Peak

Rated Short Circuit Breaking Current
Up to 50 kA

Mechanical Life
10,000 operations

Phase
Three Phase

Product Type
Molded Case Circuit Breaker (MCCB)

Installation Options
Panel Mounted

Function
Circuit Protection, Overload and Short Circuit Protection

Poles Number
3 Pole

Rated Voltage
415V AC

Rated Current
400 Amp

Rated Frequency
50/60 Hz

Curves
Type C

Temperature Protection
Adjustable Thermal & Magnetic Protection

Weight
Approx. 7.5 kg

Color
Gray/Black

Mounting Type
Fixed

Insulation Voltage
690 V

Connection Type
Bolt-on

Series
NKF

Trip Type
Thermal Magnetic

Dimension (LxWxH)
250 x 160 x 105 mm

Terminal Type
Front/Rear

Operating Temperature Range
-25°C to +70°C

Model Number
NKF400C

IP Rating
IP40

MERLIN GERIN (NKF400C) 400 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 (NKF400C) 400 AMP MCCB

Raj Electricals Offering Merlin Gerin 400 Amp 3 Pole Mccb At Bhavnagar, Gujarat, India.

We are engaged in the supply, dealing, distribution, export and import of the widest range of electrical and electronic items that would suit every type of project, economy and medium.

Product Specification :-

Brand :- Merlin Gerin

Model :- NKF400C

Number Of Pole :- 3

Number Of Phase :- 3

Ampere Rating :- 400

[Ue] rated operational voltage : 415V

breaking capacity :- 70 kA Icu 415 V conforming to BS EN 60947-2

We Supply Our Products In All Over India And Also In Foreign Countries.

For More Details Contact : 9426838080.

Website: www.rajelectrics.com.

Email: raj_electricals@hotmail.com.

Advanced Protection for Critical Applications

The MERLIN GERIN (NKF400C) MCCB combines both thermal and magnetic protection, ensuring safety against overloads and short circuits. Its adjustable protection settings allow for tailored performance in commercial and industrial environments, upholding the reliability of essential operations.

Engineered for Versatility and Durability

Designed for panel mounting, this 3-pole MCCB accommodates a variety of installation demands. Its robust design, IP40 enclosure, and wide operating temperature range make it suitable for diverse sectors, from manufacturing plants to commercial buildings, delivering long-lasting assurance.

Ease of Installation and Maintenance

Featuring front and rear terminal options with bolt-on connections, the NKF400C simplifies integration into existing panels. The breakers compact form factor and ergonomic layout also facilitate routine inspections and service, minimizing downtime and maintenance efforts.

FAQs of MERLIN GERIN (NKF400C) 400 AMP MCCB:

Q: How does the thermal magnetic trip mechanism work in the NKF400C MCCB?

A: The NKF400C uses a combined thermal and magnetic trip unit. The thermal element detects prolonged overloads and trips the breaker by sensing excessive heat. Meanwhile, the magnetic component reacts instantly to high current surges, such as short circuits, providing rapid circuit disconnection.

Q: What are the primary benefits of using the NKF400C MCCB for circuit protection?

A: The main benefits include high breaking capacity (50 kA at 415V AC), adjustable trip settings for both overload and short circuit protection, and a robust mechanical life of up to 10,000 operations. These features ensure dependable protection and a long service life in critical three-phase power systems.

Q: When is the NKF400C MCCB typically recommended for installation?

A: The NKF400C is best suited for environments that require reliable short-circuit and overload protection, such as industrial, commercial, and large infrastructure projects. It is especially useful where panel-mounted and fixed-mount MCCBs are preferred due to space and durability requirements.

Q: Where can I install the MERLIN GERIN NKF400C, and what are the mounting options?

A: This MCCB is designed for panel-mounted applications and comes with flexible mounting options (fixed mount, with front or rear terminal access). Its IP40 enclosure rating makes it suitable for indoor installations where moderate protection from dust and objects is needed.

Q: What is the process for connecting the NKF400C in a panel setup?

A: The NKF400C offers simple bolt-on connections for both front and rear terminals. Installation involves securing the unit to a fixed panel position, ensuring all phase lines are properly attached to the corresponding terminals, and verifying insulation and protection settings before energizing the circuit.

Q: How should the NKF400C MCCB be maintained for optimal performance?

A: Routine maintenance includes inspecting terminal connections for tightness, ensuring the operating mechanism moves freely, checking for visual signs of wear, and verifying that trip settings remain appropriate for the connected loads. Regular maintenance helps preserve its mechanical integrity and protection functions.

Q: What usage scenarios are ideal for the NKF400Cs IP40 and wide operating temperature range?

A: The NKF400Cs IP40 rating and operating range from -25C to +70C make it ideal for indoor environments with moderate exposure to dust and temperature fluctuations, such as manufacturing floors, distribution boards, and control panels in commercial buildings.

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