Siemens WLH1R12CONUL — 800A/1200A 3-Pole 600V WL Air Circuit Breaker (Frame Size I, 85kA, Rear Vertical)

The Siemens WLH1R12CONUL is a Frame Size I WL Low Voltage Air Circuit Breaker (LVACB) rated for 800A and 1200A continuous current at 600V AC. This is the official Siemens catalog number for the WL series with rear vertical bus connectors. Interrupting rating: 85kA. UL 1066 Listed. Rear vertical connectors are used in switchgear configurations where bus bars run vertically behind the breaker.

WLH1R12CONUL Specifications

Specification	Value
Amperage	800A / 1200A
Poles	3
Voltage	600VAC
Interrupt Rating	85kA @ 600V
Frame Size	WL Frame Size I (FSI)
Mounting Type	Fixed / Drawout
Trip Type	Electronic Trip Unit (ETU)
Trip Function	LSIG — Long-Time, Short-Time, Instantaneous, Ground Fault
Wire Size	Rear vertical bus connector
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 I — rated up to 1200A continuous current
• 85kA interrupting rating at 600V AC
• Rear vertical bus connectors — for vertical bus bar configurations
• Electronic trip unit (ETU) with adjustable LSIG protection
• Zone-selective interlocking (ZSI)

Applications

• Main service entrance protection
• Industrial feeder circuits
• Switchgear with rear vertical bus bars

Buy WLH1R12CONUL Circuit Breaker

Siemens WL Air Circuit Breaker 800A / 1200A 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: WLH1R12CONUL

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