Eaton PLSI C40/4-GI 4-Pole 40A Miniature Circuit Breaker

Eaton PLSI C40/4-GI 4-Pole 40A MCB | High-Performance Circuit Breaker for Three-Phase Systems

Looking for reliable protection in modern Indian electrical setups? The Eaton PLSI C40/4‑GI is a four-pole, 40A Miniature Circuit Breaker (MCB) designed for today’s residential, commercial, and small industrial installations. With a robust 10 kA breaking capacity and C-curve tripping, it’s ideal for loads like motors and capacitive equipment. Engineered for Indian conditions, it delivers trusted performance in a compact form factor.

Key Features at a Glance

• Rated Current & Poles: 40A, 4-pole (3P+N) – ideal for balanced three-phase loads

• Trip Curve: Type C – trips between 5–10× rated current, perfect for inductive loads

• Breaking Capacity: 10 kA per IS/IEC 60898-1 (Class 3 energy limiting)

• Voltage Ratings: 240/415V AC operational, 660V insulation, 4kV impulse

• Durability: 10,000 mechanical / 4,000 electrical cycles

• Mounting: DIN rail mount, 4-module width with 2-position clamp

• Terminals: Bi-connect with M5 screws, handles up to 25 mm² rigid cables

• Safety Markings: ISI & CE certified – compliant with IS/IEC & EN/IEC 60898‑1

• Trip-Free Design: Cannot be held ON during fault/trip

• Contact Indication: Red/Green true-position indicators

• Build Quality: Fire-retardant plastics, silver-alloy contacts, arc chute with 13 deion plates

Why Choose This Product

The Eaton PLSI C40/4‑GI stands out with its high short-circuit performance (10kA) and precise C-curve tripping, making it perfect for setups involving mild surges—like motors or capacitor banks. Whether you’re wiring a new home or upgrading a small commercial panel, it provides a reliable, compact, and certified solution. Installers love its bi-connect terminals and clear status indicators, while end users can rest easy with robust ISI & CE compliance.

Ideal For

• Residential & apartment complexes

• Light commercial buildings

• Small industrial plants

• HVAC & motor loads with moderate inrush current

• Panelboards in Indian electrical networks (240/415V systems)

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Frequently Asked Questions

Q1: Can this MCB be used for three-phase motor protection?
Yes, the Type C curve is suitable for motors and inductive loads with mild surges.

Q2: Is this MCB certified for Indian standards?
Absolutely. It’s ISI marked and conforms to IS/IEC 60898‑1.

Q3: What’s the breaking capacity?
It has a high 10 kA breaking capacity, suitable for residential and commercial networks