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Siemens 3RF2190-1BA04 1-Phase Semiconductor Relay - 90A

Siemens 3RF2190-1BA04 1-Phase Semiconductor Relay

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ManufacturerSiemens

Part number3RF2190-1BA04

Type Semiconductor Relay

Phase 1-Phase

Current Rating 90 A

Control Voltage 48-460 V AC / 24 V DC

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12-month warranty

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CAGE: 9NK75

1-Phase operation 90A high current rating 48-460V AC or 24V DC control Instantaneous switching Screw terminals Integrated heat sink Narrow 22.5mm width

Product description

The Siemens 3RF2190-1BA04 is a 1-phase semiconductor relay from the SIRIUS 3RF2 series, engineered for high-current switching with instantaneous response. It offers a 22.5 mm width, a robust 90 A current rating, and operates with a control voltage of 48-460 V AC or 24 V DC. This relay utilizes instantaneous switching and screw terminals for reliable connections, designed for mounting on appropriate cooling surfaces.

This high-amperage semiconductor relay is suitable for demanding industrial applications that require rapid switching of heavy loads. It finds use in motor control, power distribution, and automated machinery where quick response times are critical.

Stanlo Automation, as a veteran-owned surplus parts distributor, ensures you can procure essential components like the Siemens 3RF2190-1BA04. We are committed to providing quality surplus industrial automation parts to keep your systems operational and efficient.

Technical specifications

Type	Semiconductor Relay
Phase	1-Phase
Current Rating	90 A
Control Voltage	48-460 V AC / 24 V DC
Switching	Instantaneous
Terminals	Screw
Width	22.5 mm
Series	SIRIUS 3RF2
IP Rating	IP20

Common applications

Industrial Automation

Motor Control

High-Current Switching

Power Control Panels

Automated Machinery

Fast Response Applications

Compatible systems

Industrial control systems PLC outputs Motor control circuits

Also known as

Siemens 3RF2190-1BA04 SSR SIRIUS 3RF2 90A Instantaneous Relay 3RF21901BA04 Siemens

Replaces / compatible with

This part is part of the Siemens SIRIUS 3RF2 series. Specific replacements depend on the original application and its requirements.

Technical note

Expert tip

While both models handle 90A, the choice between instantaneous and zero-point switching depends on the load type and the need for reduced electrical noise.

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Frequently asked questions

What is the difference between the 3RF2190-1AA06 and 3RF2190-1BA04 from Siemens?

Both the 3RF2190-1AA06 and 3RF2190-1BA04 are 90A 1-phase Siemens semiconductor relays. The main difference lies in their switching characteristic: the -1AA06 typically features zero-point switching for reduced noise, while the -1BA04 offers instantaneous switching for faster response.