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Siemens 8UC7121-8BD15 Door Operating Mechanism - Red Handle

Siemens 8UC7121-8BD15 door operating mechanism with red handle.

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ManufacturerSiemens

Part number8UC7121-8BD15

Handle Color Red

Masking Frame Color Yellow

For Circuit Breakers 3VL1, 3VL2, 3VL3

Actuating Shaft Size 6x6 mm

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Red handle and yellow masking frame Designed for 3VL circuit breakers 6x6 mm actuating shaft compatibility Robust construction Easy external operation

Product description

The Siemens 8UC7121-8BD15 is a door operating mechanism designed for Siemens 3VL1, 3VL2, and 3VL3 circuit breakers. This unit features a red handle and a yellow masking frame, specifically engineered for actuating shafts measuring 6x6 mm. It provides a robust and accessible method for operating circuit breakers from outside an enclosure.

This mechanism is ideal for industrial applications where safety and ease of access to circuit breaker controls are paramount. It is commonly used in control panel construction, machine building, and power distribution systems across various industries, including manufacturing, utilities, and building management.

Source your Siemens 8UC7121-8BD15 from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer competitive pricing and reliable service, ensuring you get the components you need to keep your operations running smoothly.

Technical specifications

Handle Color	Red
Masking Frame Color	Yellow
For Circuit Breakers	3VL1, 3VL2, 3VL3
Actuating Shaft Size	6x6 mm

Common applications

Control Panels

Machine Building

Power Distribution

Industrial Enclosures

Manufacturing Facilities

Electrical Maintenance

Compatible systems

Siemens 3VL1 Siemens 3VL2 Siemens 3VL3

Also known as

Siemens 8UC7 handle 3VL breaker mechanism Rotary door handle Siemens

Replaces / compatible with

This part is a door operating mechanism for Siemens 3VL1, 3VL2, and 3VL3 circuit breakers.

Technical note

Expert tip

Ensure the 6x6 mm actuating shaft is correctly aligned and securely fastened to the breaker before installing the 8UC7121-8BD15 mechanism.

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Frequently asked questions

What circuit breakers is the Siemens 8UC7121-8BD15 compatible with?

The Siemens 8UC7121-8BD15 is specifically designed for Siemens 3VL1, 3VL2, and 3VL3 series circuit breakers. It ensures proper actuation via its 6x6mm shaft connection.