Siemens WLL3F50CONUL — 4000A/5000A 3-Pole 600V WL Air Circuit Breaker (Frame Size III, 100kA, Fixed Front)

The Siemens WLL3F50CONUL is a Frame Size III WL Low Voltage Air Circuit Breaker (LVACB) rated for 4000A and 5000A continuous current at 600V AC. This is the official Siemens catalog number for the WL series Frame Size III with fixed front bus connectors. Interrupting rating: 100kA. UL 1066 Listed. The largest frame in the WL series, ideal for utility-scale main service entrance and bus tie applications.

WLL3F50CONUL Specifications

Specification	Value
Amperage	4000A / 5000A
Poles	3
Voltage	600VAC
Interrupt Rating	100kA @ 600V
Frame Size	WL Frame Size III (FSIII)
Mounting Type	Fixed / Drawout
Trip Type	Electronic Trip Unit (ETU)
Trip Function	LSIG — Long-Time, Short-Time, Instantaneous, Ground Fault
Wire Size	Bus bar connection — NEMA bolt pattern
Phase	3-Phase
Standards	UL 1066, CSA C22.2 No. 5
Temperature Rating	40°C

Key Features

• Official Siemens WL Air Circuit Breaker catalog number — UL 1066 Listed
• Frame Size III — rated 4000A and 5000A continuous current
• 100kA interrupting rating at 600V AC
• Fixed front bus connectors — NEMA bolt connection accessible from front
• Electronic trip unit (ETU) with adjustable LSIG protection
• Zone-selective interlocking (ZSI)

Applications

• Utility-scale main service entrance
• Bus tie breaker applications
• Large industrial main distribution
• Power generation facilities

Buy WLL3F50CONUL Circuit Breaker

Siemens WL Air Circuit Breaker 4000A / 5000A 3-pole circuit breaker. In stock at AllBreakerSales.com. Call (877) 611-0034 for same-day pricing. Genuine OEM parts, ships from US warehouse.

Brand: Siemens | Series: WL Air Circuit Breaker | Catalog Number: WLL3F50CONUL

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