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Siemens 3TG1010-0BB4 DC Power Relay — 8.4A, 4kW

Siemens 3TG1010-0BB4 3-pole power relay with 1 NO auxiliary contact.

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ManufacturerSiemens

Part number3TG1010-0BB4

Type Power Relay

AC-3 Rating 8.4 A

Power 4 kW / 400 V

Poles 3

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Veteran-owned

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AC-3 motor switching capacity 3-pole configuration 24V DC coil 1 Normally Open auxiliary contact Screw terminals Robust design

Product description

The Siemens 3TG1010-0BB4 is a robust 3-pole power relay designed for AC-3 motor switching applications. It can handle currents up to 8.4 A and power loads of 4 kW at 400 V. This relay features a 24 V DC coil and includes one normally open (NO) auxiliary contact, equipped with convenient screw terminals for easy installation.

This power relay is ideal for use in industrial control systems where DC voltage is utilized for coil activation. It finds applications in motor control circuits, power distribution, and automation systems that require reliable switching capabilities under demanding conditions.

Stanlo Automation, a veteran-owned business, specializes in providing surplus industrial automation parts. We offer the Siemens 3TG1010-0BB4, ensuring you receive a quality component at a competitive price, backed by our commitment to serving industrial needs.

Technical specifications

Type	Power Relay
AC-3 Rating	8.4 A
Power	4 kW / 400 V
Poles	3
Coil Voltage	24 V DC
Auxiliary Contacts	1 NO
Terminals	Screw

Common applications

DC coil control

Motor control

Industrial automation

Power switching

Control panels

Compatible systems

DC control circuits Motor starters Automation systems

Also known as

Siemens 3TG1010 DC relay 8.4A DC power relay 3-pole DC contactor relay

Replaces / compatible with

This part is a Siemens 3TG1010 series power relay with a DC coil. It is designed as a direct replacement for other Siemens relays with similar specifications within the 3TG series that require a 24V DC coil.

Technical note

Expert tip

Verify that the control system provides a stable 24V DC supply to the coil for reliable engagement of the power contacts.

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Frequently asked questions

Can the Siemens 3TG1010-0BB4 power relay be used for AC motor starting?

Yes, the Siemens 3TG1010-0BB4 is rated for AC-3 applications, which are specifically designed for starting squirrel cage motors. It can handle 8.4 A and 4 kW at 400 V, making it suitable for motor control circuits.