NEW SQUARE D JA36030 I-LINE CIRCUIT BREAKER JA36030

Description:

The Square D JA36030 I‑LINE Circuit Breaker is a molded case circuit breaker used in industrial and commercial electrical distribution systems to protect circuits from overloads and short‑circuit faults. Installed in Square D I‑LINE panelboards and switchboards where dependable circuit protection, selectivity, and coordination are required. Electricians and maintenance teams use this breaker for replacement, retrofit, and system upgrades to ensure safe and reliable power distribution.

Applications:

The Square D JA36030 breaker is used in commercial buildings, industrial facilities, data centers, and service entrance panels to safeguard branch circuits, feeders, lighting, HVAC systems, and machinery panels. It is deployed in manufacturing plants, warehouses, office buildings, and utility distribution systems where coordinated circuit protection and scalable distribution are essential. Its I‑LINE design integrates into bus systems for flexible circuit protection layouts.

Technical Specifications:

• Manufacturer: Schneider Electric / Square D
• Model / Part Number: JA36030
• Product Type: I‑LINE Molded Case Circuit Breaker
• Frame Size: JA36 (36 kA interrupting rating)
• Trip Type: Thermal‑magnetic
• Rated Current: 30 A
• Poles: 3‑pole (three‑phase)
• Interrupting Capacity: 36 kA @ 480 VAC (typical)
• Voltage Rating: Up to 600 VAC
• Mounting: I‑LINE panel bus mount
• Standards: UL 489 / CSA Certified
• Operating Temperature: Industrial range
• Application: Branch circuit, feeder, and equipment protection

Common Replacements:

• Square D JA36020 
• Square D JA36040 
• Schneider Electric NF36030