Siemens 3TH4 Contactor Relay, 110V dc Coil, 8-Pole, 10 A 110V dc, 8 NO, 888V

RS Stock No.:: 213-1018
Mfr. Part No.:: 3TH4280-0LF4
Manufacturer:: Siemens

Siemens 3TH4 Contactor Relay, 110V dc Coil, 8-Pole, 10 A 110V dc, 8 NO, 888V

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Subtotal (1 unit)*

PHP15,937.80

(exc. VAT)

PHP17,850.34

(inc. VAT)

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1 unit(s) shipping from April 23, 2026
Plus 3 unit(s) shipping from April 30, 2026

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Units	Per Unit
1 - 4	PHP15,937.80
5 +	PHP13,116.82

*price indicative

RS Stock No.:: 213-1018
Mfr. Part No.:: 3TH4280-0LF4
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Coil Voltage	110V dc
	Product Type	Contactor Relay
	Number of Poles	8
	Contact Voltage	888V
	Contact Current	10A
	Series	3TH4
	Function	Safety
	Mount Type	Screw
	Normal State Configuration	8 NO
	Number of Auxiliary Contacts	8
	Auxiliary Contact Configuration	8 NO
	Terminal Type	Screw
	Control Circuit Voltage Uc	110V dc
	Contactor Application	Safety
	Operational Current Ie	6A
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	70°C
	Standards/Approvals	No
	Length	78mm
	Width	45mm
	Depth	135mm

	Select all
	Brand Siemens
	Coil Voltage 110V dc
	Product Type Contactor Relay
	Number of Poles 8
	Contact Voltage 888V
	Contact Current 10A
	Series 3TH4
	Function Safety
	Mount Type Screw
	Normal State Configuration 8 NO
	Number of Auxiliary Contacts 8
	Auxiliary Contact Configuration 8 NO
	Terminal Type Screw
	Control Circuit Voltage Uc 110V dc
	Contactor Application Safety
	Operational Current Ie 6A
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 70°C
	Standards/Approvals No
	Length 78mm
	Width 45mm
	Depth 135mm

COO (Country of Origin):: TR

Siemens 3TH4 Series Contactor Relay, 110V DC Coil Voltage, 10A Contact Current Rating - 3TH4280-0LF4

This contactor relay is designed for industrial applications, specifically suited for automation and electrical circuits. The 8-pole relay features a compact design, measuring 78mm in length, 45mm in width, and 135mm in depth, making it ideal for mounting on DIN rails. It operates effectively within a wide temperature range, ensuring dependability in diverse environments. The relay is engineered to handle a control voltage of 110V DC, alongside a robust load current capacity of 10A.

Features & Benefits

• Features 8 normally open contacts for efficient circuit control

• Designed for screw terminal electrical connections, ensuring secure fittings

• Incorporates a surge suppressor with varistor for enhanced safety

• High operational current rating of 10A for reliable performance

• Suitable for DIN rail mounting, enabling easy installation and maintenance

Applications

• Utilised in railway and industrial automation setups

• Effective for controlling machines and motors in automated processes

• Employed in systems requiring reliable auxiliary contact functions

• Ideal for that operate under high-temperature conditions

What is the advantage of using a surge suppressor with this relay?

The integral surge suppressor with varistor protects the relay from voltage spikes, enhancing its longevity and reducing the risk of damage in critical applications.

How does the operating temperature range affect performance?

The wide temperature range of -40°C to +70°C allows this relay to function effectively in extreme conditions, making it suitable for various industrial environments without compromising reliability.

What type of electrical connections are available for auxiliary contacts?

The relay supports screw-type terminals, which provide a firm and durable connectivity option for auxiliary and control circuits, ensuring stability during operation.