3TH4280-0AL2

Siemens SIRIUS 3TH4280-0AL2 Contactor Relay, 8 Normally Open, 230VAC
Siemens SIRIUS 3TH4280-0AL2 Contactor Relay, 8 Normally Open, 230VAC

Siemens SIRIUS 3TH4280-0AL2 contactor relay, 8-pole fully normally open (8NO) contacts, 230V AC 50/60Hz dual frequency coil, screw terminal, DIN rail clip or screw fixing, IP20 protection.

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Siemens SIRIUS 3TH4280-0AL2 Contactor Relay, 8 Normally Open, 230VAC
Product Positioning

The 3TH4280-0AL2 is an AC coil model in the Siemens SIRIUS 3TH4280 normally open series. The coil supports 230V and 50/60Hz dual frequency, making it suitable for power supply environments in Taiwan and many other countries.

Core Product Advantages and Features
8 sets of normally open contacts
All 8 pole contacts are normally open (NO) type, which can be used as a multi-point expansion for AC control circuits.
230V AC dual-frequency coil
The coil has a rated voltage of 230V AC and supports dual-frequency operation at 50/60Hz, adapting to different power frequency regions.
Screw terminal design
Both the main and auxiliary circuits use screw terminal connections, and the wiring and panel configuration are consistent with those of the same series.
Flexible installation method
It supports quick installation with 35mm guide rail clips, and can also be fixed to the tray surface with screws, accommodating different tray designs.
project Specification
model 3TH4280-0AL2
Product Type SIRIUS contactor relays
Contact configuration 8. Normally Open (NO)
Extreme number 8 poles
Coil rated voltage 230V AC, 50/60Hz
Rated current (AC-15, 230V/690V) 10A/2A
Terminal type screw terminal
Installation method Guide rail clips/screws fixing
Protection level IP20
Ambient temperature -25°C ~ +55°C
External dimensions (height x width x depth) 78 x 45 x 135 mm

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