Siemens
Siemens 3TH4310-0BB4 10 NO Contactor Relay - DC Operation
Siemens 3TH4310-0BB4 DC Contactor Relay with 10 NO contacts.
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10 Normally Open Contacts
24V DC Coil Voltage
Screw Terminal Connections
EN 50011 Compliant
High Contact Count
Robust DC Switching
Product description
The Siemens 3TH4310-0BB4 is a DC-operated contactor relay designed for applications requiring a high number of normally open contacts. It features 10 NO contacts and screw terminal connections, operating with a 24V DC coil voltage according to EN 50011 standards.
This relay is ideal for extensive DC control systems, automation tasks, and power distribution panels where a high count of NO contacts is necessary for complex switching logic or load management.
Stanlo Automation, a veteran-owned distributor of surplus industrial parts, offers the Siemens 3TH4310-0BB4. We are dedicated to providing quality components and reliable service to keep your operations running smoothly.
Technical specifications
| Type | Contactor Relay |
| Manufacturer | Siemens |
| Part Number | 3TH4310-0BB4 |
| Coil Voltage | 24 V DC |
| Contacts | 10 NO |
| Terminal Type | Screw Terminal |
| Standard | EN 50011 |
Common applications
DC Control Systems
Industrial Automation
Automation Panels
Power Distribution
Relay Logic
Control Systems
Compatible systems
DC control panels
Industrial automation
Machine control systems
PLC interface
Also known as
Siemens Contactor Relay 3TH4310-0BB4
3TH4310-0BB4 Relay
Siemens 24V DC Relay
Replaces / compatible with
This part is designed to meet specific EN 50011 standards for control relays in DC applications.
Technical note
Expert tip
Ensure the 24V DC power supply for the 3TH4310-0BB4 is adequately rated to handle the inrush current of the 10 NO contacts when they close simultaneously.What happens next?
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Frequently asked questions
What is the contact arrangement and coil voltage for the Siemens 3TH4310-0BB4?
The Siemens 3TH4310-0BB4 contactor relay is equipped with 10 normally open (NO) contacts and operates with a 24V DC coil voltage.