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Siemens/ITE ET4064 50A 3-Phase Motor Circuit Protector

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ManufacturerSiemens

Part numberET4064

Amperage 50A

Voltage 600VAC, 250VDC

Poles 3

Frame Size F

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Veteran-owned

CAGE: 9NK75

Adjustable magnetic-only trip Protects against short circuits Designed for motor control centers 3-pole configuration 600V AC / 250V DC rating

Product description

The Siemens/ITE ET4064 is a 50-amp, 3-pole motor circuit protector from the F frame series. It features an adjustable magnetic-only trip mechanism, designed to protect industrial motors from short circuits without interfering with separate overload relays. This unit-mount device is suitable for use in motor control centers and provides a reliable solution for protecting motor circuits.

This protector is rated for up to 600VAC and 250VDC and offers an AIC rating of 25kA @ 240VAC. It is ideal for applications in manufacturing, heavy industry, and any facility utilizing motor-driven equipment that requires robust short-circuit protection.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens ET4064 Motor Circuit Protector. Ensure the safety and reliability of your motor control systems by sourcing your parts from us.

Technical specifications

Amperage	50A
Voltage	600VAC, 250VDC
Poles	3
Frame Size	F
Trip Type	Magnetic Only
AIC Rating	25kA @ 240VAC
Mounting	Unit Mount

Common applications

Motor control centers

Industrial motor protection

Manufacturing plants

Heavy industry

Machine tools

Compatible systems

Siemens motor control centers

Also known as

Siemens F Frame MCP ITE ET4064 50A Motor Protector

Replaces / compatible with

Officially replaced by the FC3050. Compatible with Siemens/ITE legacy systems.

Technical note

Expert tip

Ensure overload protection is set separately, as the ET4064 features magnetic-only trip for short-circuit protection.

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Frequently asked questions

What is the interrupting capacity of the Siemens ET4064 motor circuit protector?

The Siemens ET4064 motor circuit protector has an interrupting capacity of 25kA at 240VAC, 14kA at 480VAC, and 14kA at 600VAC. It also has a 10kA rating at 250VDC.