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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TH4244-0B |
| Alternative Part Number | 3TH42440B |
| Manufacturer | Siemens |
| Contact Configuration | 4P (4NO/4NC) |
| Number of Contacts | 8 (Relay) |
| Rated Control Supply Voltage | 12 V DC |
| Ambient Operating Temperature | -25 … 55 °C |
| Protection Class | IP20 |
| Identification Number | 44E |
| Number of NC Contacts | 4 |
| Number of NO Contacts | 4 |
| Connection Type | Screw-type terminals |
| Mounting Type | Screw and snap-on mounting onto 35 mm standard mounting rail according to DIN EN 50022 |
| Dimensions (Width x Height x Depth) | 45 mm x 78 mm x 135 mm |
| Protection Against Electrical Shock | Finger-safe |
| Commodity Code | 853649 |
The Siemens 3TH4244-0B is a robust control relay designed for a variety of industrial applications. This component is part of the 44E series and adheres to the DIN EN 50011 standard, ensuring compatibility and reliability in demanding environments. With a control supply voltage rated at 12 V DC, it is optimised for DC control circuits.
Featuring a compact design, the relay measures 45 mm in width, 78 mm in height, and 135 mm in depth, allowing for efficient use of space within electrical cabinets. The relay offers a dual contact configuration with 4 normally open (NO) and 4 normally closed (NC) contacts, providing flexibility for integration into various control schemes.
The operating current of the auxiliary contacts is rated at 10 A at 230 V in AC-15, which is suitable for a wide range of applications. The electrical connection is facilitated by screw-type terminals, which provide a secure and reliable connection.
For ease of installation, the Siemens 3TH4244-0B can be mounted using screws or snapped onto a 35 mm standard mounting rail according to DIN EN 50022. The relay is also designed with safety in mind, featuring finger-safe protection against electrical shock.
This control relay is a dependable choice for engineers and technicians looking for a high-quality component that offers both versatility and performance in their control systems.
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Frequently Asked Questions
What is the control supply voltage for this contactor relay?
The control supply voltage for the contactor relay is 12 V DC.
Can this relay be mounted on a DIN rail?
Yes, the relay is designed for screw and snap-on mounting onto a 35 mm standard mounting rail according to DIN EN 50022.
What is the ambient temperature range for operating this relay?
The ambient temperature range for operating the relay is between -25°C and 55°C.
What type of connections does this relay have for the auxiliary and control current circuit?
The relay features screw-type terminals for the auxiliary and control current circuit connections.
What is the protection class of this relay?
The protection class for the frontal/front side of the relay is IP20.
How many normally closed (NC) and normally open (NO) contacts does this relay have?
The relay has 4 normally closed (NC) contacts and 4 normally open (NO) contacts.
What is the operating current for the auxiliary contacts at AC-15 at 230 V?
The operating current for the auxiliary contacts at AC-15 at 230 V is 10 A.
What are the dimensions of this relay?
The dimensions of the relay are 45 mm in width, 78 mm in height, and 135 mm in depth.
Is the relay design finger-safe to protect against electrical shock?
Yes, the relay is designed to be finger-safe to provide protection against electrical shock.
What is the identification number and letter for the switching elements of this relay?
The identification number and letter for the switching elements of the relay is 44 E.
