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Siemens 3WL1216 Fixed-Mounted Circuit Breaker - 1600A

Siemens 3WL1216 fixed-mounted circuit breaker, 1600A, 690V, 100kA.

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ManufacturerSiemens

Part number3WL1216-4CB34-4AN2

Type Fixed-mounted circuit breaker

Poles 3

Size II

Rated Current (In) 1600A

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1600A rated current 690V operating voltage 100kA breaking capacity ETU 25 LSI overcurrent protection Motorized operating mechanism Includes auxiliary and undervoltage releases

Product description

The Siemens 3WL1216-4CB34-4AN2 is a fixed-mounted, 3-pole circuit breaker in size II, designed for industrial applications. It has a rated current (In) of 1600A and a maximum operating voltage of 690V AC. The breaking capacity (Icu) is 100kA at 500V. This breaker features front connections, top/bottom dual-hole terminals.

It is equipped with an ETU 25 LSI overcurrent release with adjustable settings (0.4-1xIn) for protection. The unit includes a motorized/manual operating mechanism with a spring charging motor, operating on AC 50/60 Hz (208-240 V) or DC (220-250 V). It also has activation via AC 50/60 Hz (230 V) or 220 V DC. This specific model includes a 2nd auxiliary release "R", F3 undervoltage release, and 2NO+2NC auxiliary contacts.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3WL1216-4CB34-4AN2. Ensure your electrical distribution systems are protected with reliable, high-quality circuit breakers sourced from Stanlo.

Technical specifications

Type	Fixed-mounted circuit breaker
Poles	3
Size	II
Rated Current (In)	1600A
Max Voltage	690V AC
Breaking Capacity (Icu)	100kA at 500V
Release	ETU 25 LSI
Operating Mechanism	Motorized/Manual
Auxiliary Contacts	2NO+2NC
Undervoltage Release	F3

Common applications

Power Distribution

Electrical Protection

Industrial Power Systems

Motor Control Centers

Switchgear

Compatible systems

Industrial electrical distribution systems Control cabinets Switchgear assemblies

Also known as

3WL1216 Circuit Breaker

Technical note

Expert tip

The breaker's operating mechanism can be motorized or manual, with the motor operating on AC 50/60 Hz or DC power, and activation available via AC or DC.

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Frequently asked questions

What type of overcurrent protection is featured on the Siemens 3WL1216-4CB34-4AN2 circuit breaker?

The Siemens 3WL1216-4CB34-4AN2 features an ETU 25 LSI (Long-time, Short-time, Instantaneous) adjustable overcurrent release. The settings can be adjusted between 0.4 to 1 times the nominal current (In).