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Siemens 7SJ2950-2BA01 Overcurrent Time Relay

Siemens 7SJ2950-2BA01 solid-state overcurrent time relay with undervoltage switch.

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ManufacturerSiemens

Part number7SJ2950-2BA01

Type Overcurrent Time Relay with Undervoltage Switch

Rated Current 5A

Frequency 50Hz

Time Range (T1+T2) 0.1 to 6.4s

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CAGE: 9NK75

Solid-State Overcurrent Protection Integrated Undervoltage Switch Wide Time Range Panel Flush Mounting IP20 Degree of Protection Plug-in Connection

Product description

The Siemens 7SJ2950-2BA01 is a solid-state overcurrent time relay with an integrated undervoltage switch. It is designed for panel flush mounting and features a plug-in connection system. The relay has a rated current of 5A and operates at 50Hz, with a selectable time range for overcurrent protection from 0.1 to 6.4 seconds. It also includes an undervoltage setting range from 50 to 80V.

This relay is crucial for protecting electrical equipment and systems from damage caused by overcurrent and undervoltage conditions. Its applications are found in power distribution, motor control, and industrial control panels where reliable fault detection and protection are paramount.

Stanlo Automation, your trusted veteran-owned source for surplus industrial automation parts, offers the Siemens 7SJ2950-2BA01. Ensure the safety and reliability of your electrical systems by sourcing this protective relay from Stanlo.

Technical specifications

Type	Overcurrent Time Relay with Undervoltage Switch
Rated Current	5A
Frequency	50Hz
Time Range (T1+T2)	0.1 to 6.4s
Undervoltage Range	50 to 80V
Mounting	Cubicle Flush Mount
Protection Degree	IP20
Connection	Plug-in

Common applications

Power Distribution

Motor Protection

Industrial Control Panels

Substation Automation

Switchgear

Electrical Protection

Compatible systems

Industrial power systems Control panels Motor starter circuits Distribution boards

Also known as

Siemens Overcurrent Time Relay 7SJ2950-2BA01 Protective Relay Siemens Undervoltage Relay

Replaces / compatible with

Replaces older electro-mechanical overcurrent relays and can be used in conjunction with 7XP1040 series components. Ensure wiring compatibility.

Technical note

Expert tip

The 'SOL.ST.' in the description refers to Solid State, indicating that this is an electronic relay rather than an older electro-mechanical type, offering more precise and stable performance.

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Frequently asked questions

What are the key protection functions of the Siemens 7SJ2950-2BA01 relay?

The Siemens 7SJ2950-2BA01 provides both overcurrent time delay protection and undervoltage protection. It allows for adjustable time delays for overcurrent events and protects against low voltage conditions within a specified range.