Siemens 3TH4 Contactor Relay, 24V dc Coil, 888-Pole, 10 A 24V dc, 7 NO/1 NC, 230V ac
- RS Stock No.:
- 190-9732
- Mfr. Part No.:
- 3TH4271-0BB4
- Brand:
- Siemens
Subtotal (1 unit)*
£147.37
(exc. VAT)
£176.84
(inc. VAT)
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In Stock
- 4 unit(s) ready to ship
- Plus 11 unit(s) ready to ship from another location
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Units | Per unit |
|---|---|
| 1 + | £147.37 |
*price indicative
- RS Stock No.:
- 190-9732
- Mfr. Part No.:
- 3TH4271-0BB4
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Contactor Relay | |
| Coil Voltage | 24V dc | |
| Number of Poles | 888 | |
| Contact Voltage | 230V ac | |
| Contact Current | 10A | |
| Series | 3TH4 | |
| Function | Safety | |
| Mount Type | Screw | |
| Normal State Configuration | 7 NO/1 NC | |
| Auxiliary Contact Configuration | 7 NO/1 NC | |
| Number of Auxiliary Contacts | 8 | |
| Terminal Type | Screw | |
| Minimum Operating Temperature | 888°C | |
| Operational Current Ie | 6A | |
| Contactor Application | Safety | |
| Control Circuit Voltage Uc | 24V dc | |
| Maximum Operating Temperature | 888°C | |
| Depth | 135mm | |
| Standards/Approvals | No | |
| Length | 78mm | |
| Width | 45mm | |
| Pole and Throw Configuration | 888 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Contactor Relay | ||
Coil Voltage 24V dc | ||
Number of Poles 888 | ||
Contact Voltage 230V ac | ||
Contact Current 10A | ||
Series 3TH4 | ||
Function Safety | ||
Mount Type Screw | ||
Normal State Configuration 7 NO/1 NC | ||
Auxiliary Contact Configuration 7 NO/1 NC | ||
Number of Auxiliary Contacts 8 | ||
Terminal Type Screw | ||
Minimum Operating Temperature 888°C | ||
Operational Current Ie 6A | ||
Contactor Application Safety | ||
Control Circuit Voltage Uc 24V dc | ||
Maximum Operating Temperature 888°C | ||
Depth 135mm | ||
Standards/Approvals No | ||
Length 78mm | ||
Width 45mm | ||
Pole and Throw Configuration 888 | ||
- COO (Country of Origin):
- CN
Siemens 3TH4 Series Contactor Relay, 10A Current Rating, 24V DC Coil Voltage - 3TH4271-0BB4
This contactor relay is an essential component for industrial automation, specifically designed for reliable performance in various applications. With a compact size of 78mm in height, 45mm in width, and 135mm in depth, it offers a versatile solution for controlling electrical circuits. The device operates at a coil voltage of 24V DC and has a contact voltage rating of 230V AC, ensuring efficient management of load currents up to 10A.
Features & Benefits
• Auxiliary contact configuration optimises circuit management
• Capability to manage load currents up to 10A seamlessly
• Designed for DIN rail mounting, simplifying installation
• Uses screw terminal connections for secure wiring
• Operates effectively in ambient temperatures from -25°C to +55°C
Applications
• Utilised in control circuits for motors and machinery
• Facilitates switching of lighting systems in commercial buildings
• Effective within heating and ventilation systems for energy management
• Integral in safety systems requiring reliable switching actions
What is the significance of the contact configuration for practical applications?
The configuration with 7 normally open and 1 normally closed contacts allows versatile circuit control, enabling users to efficiently manage different switching tasks and enhance operational reliability.
How does this product ensure safe operation in varying environments?
Designed with protection class IP00 and IP20 with securely tightened screws, it guarantees safety, reducing the risk of accidental contact with live components in order to protect both the device and personnel.
What is the recommended method for mounting to ensure stability?
The relay is intended for DIN rail mounting, which provides a secure and organised installation method, allowing for easy access and maintenance while maximising space efficiency in control cabinets.

