3TH4280-0BF4

Siemens SIRIUS 3TH4280-0BF4 Contactor Relay, 8 Normally Open, 110VDC
Siemens SIRIUS 3TH4280-0BF4 Contactor Relay, 8 Normally Open, 110VDC

Siemens SIRIUS 3TH4280-0BF4 contactor relay, 8-pole fully normally open (8NO) contacts, 110V DC standard coil, screw terminal, DIN rail clip or screw dual mounting, IP20 protection, temperature -25~55°C.

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Siemens SIRIUS 3TH4280-0BF4 Contactor Relay, 8 Normally Open, 110VDC
Product Positioning

The 3TH4280-0BF4 is the 110V DC standard model in the Siemens SIRIUS 3TH4280 normally open series, providing a stable multi-contact DC control expansion option.

Core Product Advantages and Features
8 sets of normally open contacts
All 8 pole contacts are normally open (NO), making them suitable for use as multi-point expansion of control circuits.
110V DC coil
The coil has a rated control voltage of 110V DC, which is one of the common specifications in this series and is compatible with a variety of DC control panels.
Screw terminal design
Both the main and auxiliary circuits use screw terminal connections, and the installation and panel configuration are consistent with other products in the same series.
Flexible installation method
It supports quick installation with 35mm guide rail clips, and can also be fixed to the tray with screws to meet the needs of different tray designs.
project Specification
model 3TH4280-0BF4
Product Type SIRIUS contactor relays
Contact configuration 8. Normally Open (NO)
Extreme number 8 poles
Coil rated voltage 110V DC
Rated current (AC-15, 230V/690V) 10A/2A
Rated current (DC-13, 48V/440V) 10A/0.6A
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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