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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TH4244-0AP0 |
| Alternative Part Number | 3TH42440AP0 |
| Manufacturer | Siemens |
| Product Type | Contactor Relay |
| Contact Configuration | 4 Normally Open (NO) + 4 Normally Closed (NC) contacts |
| Operating Voltage | 277 V ac at 60 Hz, 230 V ac at 50 Hz |
| Operating Current | 10 A at 230 V ac |
| Protection Class | IP20 |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Ambient Operating Temperature | -25 … +55 °C |
| Control Supply Voltage Frequency | 50 Hz / 60 Hz |
| Electrical Connection | Screw-type terminals |
| Height | 78 mm |
| Width | 45 mm |
| Depth | 102 mm |
| B10 Value | 1,000,000 operations at 0.3 x Ie |
| T1 Value | 20 years for proof test interval or service life according to IEC 61508 |
| Protection Against Electric Shock | Finger-safe |
The Siemens 3TH4244-0AP0 is a high-quality contactor relay designed to meet the rigorous demands of industrial control systems. This component is engineered to facilitate reliable switching of auxiliary circuits and is suitable for a variety of applications across different industries.
Crafted with precision, the 3TH4244-0AP0 features a compact size 0 form factor, making it an ideal choice for installations where space is at a premium. It boasts an impressive 10 A operating current at AC-15, with a rated control supply voltage of 230 V at 50 Hz and 277 V at 60 Hz, ensuring compatibility with a wide range of operating environments.
This contactor relay comes with 4 normally open (NO) and 4 normally closed (NC) contacts, providing flexibility in circuit design and the ability to handle complex control tasks. The screw-type terminals offer a secure and reliable connection, ensuring stability and longevity in your electrical setups.
The unit is designed with a protection class of IP20, signifying that it is protected against solid objects larger than 12.5 mm, making it suitable for general industrial use. The ambient operating temperature range of -25 to +55 °C ensures that the relay can perform under varying environmental conditions.
With its robust construction and adherence to DIN EN 50011 standards, the Siemens 3TH4244-0AP0 is a testament to quality and reliability, making it a trusted component for your control system needs.
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Frequently Asked Questions
What type of device is this Siemens contactor relay?
This Siemens contactor relay is an auxiliary contactor designed for various control applications. It features 4 normally open (NO) and 4 normally closed (NC) contacts, suitable for switching and controlling circuits.
Can this contactor relay be mounted on a DIN rail?
Yes, the contactor relay is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the protection class of the front side of this contactor relay?
The front side of the contactor relay has a protection class of IP20, which means it is protected against solid objects larger than 12.5 mm but not against water.
What are the operating current ratings for this contactor relay at AC-15?
At AC-15, the operating current ratings for the contactor relay are 10 A at 230 V and 6 A at 400 V.
What is the ambient operating temperature range for this contactor relay?
The ambient operating temperature range for the contactor relay is between -25°C and +55°C.
What type of terminals does this contactor relay have for electrical connections?
This contactor relay is equipped with screw-type terminals for making auxiliary and control current circuit connections.
What is the control supply voltage for this contactor relay?
The control supply voltage for this contactor relay at AC is rated at 230 V at 50 Hz and 277 V at 60 Hz.
What is the B10 value for this contactor relay and what does it signify?
The B10 value for the contactor relay is 1,000,000 at 0.3 times the rated operational current (Ie), which indicates the number of operating cycles expected before 10% of a batch of contactors could fail.
What is the T1 value for proof test interval or service life for this contactor relay?
The T1 value for proof test interval or service life according to IEC 61508 is 20 years for this contactor relay.
How can I ensure safety when using this contactor relay?
To ensure safety when using the contactor relay, it is important to follow the installation guidelines provided by the manufacturer and ensure that the device is used within its specified ratings and environmental conditions.
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