3TH4454-0AK2

SIEMENS SIRIUS 3TH4454-0AK2 Contactor Relay (Control Relay, 5NO+4NC)
SIEMENS SIRIUS 3TH4454-0AK2 Contactor Relay (Control Relay, 5NO+4NC)

The SIEMENS SIRIUS 3TH4454-0AK2 control relay features a 5NO+4NC contact configuration, an AC 120 V coil (50/60Hz), an AC-15 rated 230V/10A connection, and screw terminals for 35mm DIN rail mounting. It is suitable for expanding control circuit contacts.

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SIEMENS SIRIUS 3TH4454-0AK2 Contactor Relay (Control Relay, 5NO+4NC)
Product Positioning

The SIEMENS SIRIUS 3TH4454-0AK2 belongs to the 3TH4 series of contactor relays, providing 9 sets of contacts (5NO + 4NC). The coil voltage is AC 120 V, 50/60Hz. It is commonly used in control circuits to expand auxiliary contacts or as an intermediate control relay.

Core Product Advantages and Features
9 auxiliary contact configurations
Five sets of normally open (NO) + four sets of normally closed (NC) contacts can meet the requirements of simultaneous switching of multiple control signals.
Forced-guided contact operation
It conforms to the IEC 60947-5-1 positively driven design, improving the reliability of safety circuit applications.
Standardized installation method
It adopts a 35mm standard guide rail snap-on installation and can be screwed for fastening. Screw terminals are also provided for easy wiring construction.
Coil voltage AC 120 V, 50/60Hz
The coil specifications for this model are AC 120 V, 50/60Hz. Please confirm that the control power supply voltage is compatible before selecting the model to avoid misuse.
project Specification
series SIRIUS 3TH4 Contactor Relay (Control Relay)
Contact configuration 5 NO + 4 NC (9 poles)
coil voltage AC 120 V, 50/60Hz
Rated current (AC-15) 10A at 230V; 6A at 400V
Use category AC-15 (controls electromagnetic loads), DC circuit can support DC-13 applications.
Terminal type Screw terminals
Installation method 35mm standard guide rail with snap-fit design, and can also be screwed in place (DIN EN 50022).
Protection level IP20 (Front panel after terminal locking)
Applicable Standards EN 50011, IEC 60947-5-1 (Forced Guided Contact Operation)
Operating temperature -25°C ~ +55°C

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