CROWN Moulded Case Circuit Breaker FEC Series 3 Poles 25kA/50kA 63A-200A Excellent for Main Switchboard Application and Reliable Usage

Description

CROWN Moulded Case Circuit Breaker FEC Series 3 Poles 25kA/50kA 63A-200A Excellent for Main Switchboard Application and Reliable Usage

The CROWN FEC Series Moulded Case Circuit Breakers (MCCB) deliver robust industrial-grade circuit protection designed for main switchboards, sub-distribution panels, and heavy commercial power systems.

Manufactured by Crown a trusted provider of circuit protection devices this high-performance series guards electrical equipment against severe over currents, thermal overloads, and short-circuit faults.

The FEC Circuit Breakers MCCB lineup includes 3-Pole configurations available across rated current capacities ranging from 63 Amp up to 200 Amp (63A, 100A, 160A, and 200A).

To satisfy diverse fault level requirements across power networks, the Circuit Breakers series offers two breaking capacity tiers:

• standard models (FEC-63L, FEC-100L, FEC-160L, and FEC-200L) providing a 25kA breaking capacity, and high-capacity models (FEC-100H, FEC-160H, and FEC-200H) delivering a 50kA breaking capacity.

Operating at a rated insulation voltage of 690V across 50Hz frequency, these heavy-duty breakers feature B/C tripping characteristics to effectively manage demanding inductive motor and industrial distribution loads.

Constructed with durable molded housings and heavy-duty terminal blocks, each unit ensures reliable switching performance under continuous electrical duty.

When installed within an enclosure or switchboard, the breakers maintain an IP40 protection rating to shield internal mechanism components from foreign physical debris.

Whether specified for commercial building main intake boards, factory distribution systems, or HVAC power control panels, the Crown FEC MCCB series provides standard-compliant safety, high short-circuit interrupting capability, and long-term protection for critical power infrastructures.

Product Details :

Frequently Asked Questions (FAQ)

• Q: What is the difference between MCCBs with ‘L’ and ‘H’ suffixes in the FEC series?

  A: The suffix indicates the breaking capacity rating: ‘L’ models (e.g., FEC-100L) feature a 25kA breaking capacity, while ‘H’ models (e.g., FEC-100H) provide a higher 50kA breaking capacity for installation sites with higher short-circuit fault levels.

• Q: What is the main difference between an MCCB and an MCB?

  A: MCCBs (Moulded Case Circuit Breakers) are designed for higher current loads (such as 63A up to 200A and above) and higher breaking capacities (25kA–50kA) at the main panelboard level. MCBs are smaller modular units typically rated up to 63A with 6kA capacity for final branch circuits.

• Q: What application is the 690V rated voltage suitable for?

  A: The 690V rated insulation voltage allows these 3-pole MCCBs to safely operate in standard 415V/3-phase commercial and industrial systems with ample voltage tolerance for mains switching.

• Q: Does the Crown FEC MCCB support 3-phase power systems?

  A: Yes, all units listed in this series are 3-Pole modules specifically designed for 3-phase industrial and commercial electrical power networks.

• Q: What degree of ingress protection does the breaker offer?

  A: The FEC MCCB series provides an IP40 protection rating once mounted inside an electrical enclosure or switchboard panel, protecting internal contacts from solid objects larger than 1mm