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Siemens 3LD2766-1GP53 SENTRON 3-Pole Emergency Switch - 100A

Siemens SENTRON 3LD Series 3-pole emergency switch disconnector.

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ManufacturerSiemens

Part number3LD2766-1GP53

Poles 3

Rated Operational Current (Iu) 100 A

Operating Power (AC-23A at 400V) 37 kW

Function Emergency switching-off

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CAGE: 9NK75

Emergency switching-off capability 3-pole configuration 100A current rating 37kW power handling Molded plastic encapsulation Integrated 1NC/1NO auxiliary contacts Red/yellow safety handle

Product description

The Siemens 3LD2766-1GP53 is a 3-pole SENTRON Series 3LD switch disconnector functioning as an emergency switching-off switch, featuring molded plastic encapsulation for metric cable glands. It is rated for 100A with an operating power of 37kW at 400V AC-23A. This model includes 1 Normally Closed (NC) and 1 Normally Open (NO) auxiliary contacts and is equipped with a red/yellow rotary operating mechanism, indicating its emergency safety function.

This switch is essential for safety-critical applications requiring immediate power disconnection. Its design with integrated auxiliary contacts and molded encapsulation makes it suitable for demanding industrial environments where safety and reliable operation are paramount.

Stanlo Automation, your veteran-owned source for surplus industrial automation parts, provides the Siemens 3LD2766-1GP53. Rely on us for quality components and efficient service to minimize downtime and ensure operational safety.

Technical specifications

Poles	3
Rated Operational Current (Iu)	100 A
Operating Power (AC-23A at 400V)	37 kW
Function	Emergency switching-off
Encapsulation	Molded plastic
Cable Connection	Metric cable gland
Auxiliary Contacts	1 NC, 1 NO
Handle Type	Rotary, red/yellow
Series	SENTRON 3LD

Common applications

Emergency power cut-off

Safety circuits

Machine guarding

Industrial control systems

Hazardous area applications

Factory automation

Compatible systems

Emergency stop circuits Safety control systems Industrial machinery Control panels

Also known as

Siemens 3LD emergency disconnector 3LD2766 E-stop switch Siemens 100A molded emergency switch

Replaces / compatible with

This switch is designed for emergency shutdown circuits and safety isolations. It can replace other Siemens emergency disconnectors or safety switches with similar specifications. Always confirm suitability.

Technical note

Expert tip

The molded plastic encapsulation offers enhanced protection against dust and moisture ingress, suitable for environments requiring robust safety components.

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Frequently asked questions

What is the purpose of the red/yellow handle on the Siemens 3LD2766-1GP53?

The red/yellow handle on the Siemens 3LD2766-1GP53 is a universal safety indicator, clearly identifying the switch as an emergency switching-off device. This allows for rapid, unambiguous operation during urgent situations to disconnect power.