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Siemens 3UB81334HW2 Auxiliary Relay | 4NC Contacts, Higher Coil Voltage

Siemens 3UB81334HW2 Auxiliary Relay with 4 NC contacts.

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ManufacturerSiemens

Part number3UB81334HW2

Contacts 4 NC

Coil Voltage Higher AC/DC range (check datasheet)

Series 3UB8

Mounting DIN Rail

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4 Normally Closed Contacts Higher Coil Voltage Capability Safety Circuits Siemens Quality DIN Rail Mountable

Product description

The Siemens 3UB81334HW2 is a specialized auxiliary relay featuring 4 normally closed (NC) contacts, designed for applications demanding high reliability in safety and control circuits. This model operates with higher coil voltages, offering greater flexibility in system design. It upholds Siemens' renowned quality and performance standards for industrial environments.

This relay is crucial for safety-related functions, emergency stop circuits, and interlocking mechanisms where a normally closed state is required. It is utilized across various industries including chemical processing, manufacturing, and critical infrastructure.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3UB81334HW2. Trust us for dependable sourcing and quality assurance.

Technical specifications

Contacts	4 NC
Coil Voltage	Higher AC/DC range (check datasheet)
Series	3UB8
Mounting	DIN Rail
IP Rating	IP20

Common applications

Emergency Stop Circuits

Safety Interlocks

Control Panels

Industrial Safety

Critical Infrastructure

Compatible systems

Safety Control Systems Emergency Stop Systems Industrial Safety Panels

Also known as

Siemens 3UB8 Relay 3UB81334HW2

Replaces / compatible with

This relay can replace other Siemens 3UB8 series auxiliary relays that offer 4 NC contacts and require a higher coil voltage.

Technical note

Expert tip

Ensure that the higher coil voltage rating of this relay is compatible with your control system's power distribution to prevent overvoltage or undervoltage issues.

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Frequently asked questions

In what type of safety circuits is the Siemens 3UB81334HW2 typically used?

The Siemens 3UB81334HW2, with its 4 NC contacts and higher coil voltage capability, is ideally suited for safety-critical applications such as emergency stop circuits, safety door interlocks, and other machine safety functions where a normally closed contact is required for fail-safe operation.