Siemens
Siemens Contactor relay 3TH4244
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Specifications
| Brand | Siemens |
|---|---|
| Model Number | 3TH4244 |
| Official Product Name | SIRIUS 3TH4 contactor relay, 44E, 4 NO + 4 NC contacts |
| Applicable System | Industrial control circuits and auxiliary switching in low-voltage switchgear |
| Product Type | Contactor relay / auxiliary contactor |
| Equivalent Standard | Contact us for cross-reference and alternative models |
| Product Status | In Stock |
| Contact configuration | 4 NO + 4 NC (switching element 44E, DIN EN 50011) |
| Control supply voltage | 220 V AC at 50 Hz / 264 V AC at 60 Hz |
| Operational current at AC-15 | 10 A at 230 V, 6 A at 400 V |
| Terminal type | Screw connection |
| Mounting | Screw and snap-on mounting on 35 mm DIN rail (DIN EN 50022) |
| Dimensions (H x W x D) | 78 mm x 45 mm x 102 mm |
| Weight | approx. 0.40 kg |
| Ambient operating temperature | -25 to +55 deg C |
| Product type | Contactor relay (auxiliary contactor), size 0 |
Product Description
It is AC-operated by a 220 V AC coil and uses screw terminals for the auxiliary and control circuits. The relay multiplies control signals so several circuits can be switched at once, and it mounts by screw or snaps onto a 35 mm DIN rail. The Siemens 3TH4244 is a SIRIUS 3TH4 series contactor relay (auxiliary contactor) in size 0 with a 44E contact arrangement of 4 normally open and 4 normally closed contacts to DIN EN 50011.
Basic Product Information
- AC-operated coil rated 220 V AC at 50 Hz (264 V AC at 60 Hz)
- Screw terminals for reliable control-circuit wiring
- Screw and snap-on mounting onto 35 mm DIN rail (DIN EN 50022)
- Auxiliary contacts rated 10 A at 230 V and 6 A at 400 V under AC-15 duty
- 4 normally open plus 4 normally closed contacts (44E) to DIN EN 50011
Technical Specifications
Version & Model Difference
The 3TH4244 is the size 0 contactor relay in the Siemens 3TH4 range with a 44E (4 NO + 4 NC) contact set. Other 3TH4 types differ in contact count and coil voltage, and the code after the dash sets the coil, for example -0AM0 for 220 V AC at 50 Hz or -0AL2 for 230 V AC. Verify the exact coil-code suffix for your application.
Application Scenarios
- Control-signal switching in industrial control circuits
- Machine and panel control with multiple auxiliary circuits
- Safety and interlocking circuits in low-voltage switchgear
- It mounts by screw or snaps onto a 35 mm DIN rail (DIN EN 50022) and uses screw terminals for wiring.
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Frequently Asked Questions
What contacts does the 3TH4244 have?
It has four normally open and four normally closed contacts, giving an 8-pole 44E arrangement to DIN EN 50011.
What coil voltage does it use?
The 3TH4244-0AM0 variant uses a 220 V AC coil at 50 Hz (264 V AC at 60 Hz); confirm the coil-code suffix for other voltages.
What current can the contacts switch?
The auxiliary contacts are rated 10 A at 230 V and 6 A at 400 V under AC-15 duty.
How is it mounted?
It mounts by screw or snaps onto a 35 mm DIN rail (DIN EN 50022) and uses screw terminals for wiring.
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