LTLK K-Curve MCB for Submersible Pumps – 50A, 3P (L&T – LK30500K)

Key Features:

• Brand: L&T (Larsen & Toubro)
• Model: LK30500K
• Type: K-Curve Miniature Circuit Breaker (MCB)
• Current Rating: 50A
• Poles: 3P (3-Pole)
• Voltage Rating: 415V AC
• Breaking Capacity: 10kA
• Designed For: Submersible Pumps & Motor Protection
• Tripping Curve: K-Curve (High Inrush Current Handling)
• Mounting: DIN Rail Compatible
• Standards: IEC 60898-1, IS/IEC 60898
• Material: Flame-Retardant Housing

Product Description:

The L&T LTLK K-Curve MCB (LK30500K) is a high-performance 3-pole miniature circuit breaker designed specifically for submersible pumps and motor applications. With a 50A current rating and K-curve tripping characteristic, it ensures reliable protection against short circuits, overloads, and high inrush currents common in inductive loads.

Its 10kA breaking capacity and robust construction make it ideal for agricultural, industrial, and residential submersible pump installations. The DIN rail-mounted design ensures easy installation in distribution boards.

Applications:

• Submersible pump protection
• Motor circuit protection
• Agricultural water supply systems
• Industrial motor control panels
• High inrush current applications

Why Choose This MCB?

• Specifically designed for pump/motor loads
• K-curve prevents nuisance tripping during motor startup
• High-quality L&T reliability
• Compact and space-saving design
• Compliant with international safety standards

Package Includes:

• 1 x L&T LK30500K K-Curve MCB (50A, 3P)