Siemens 3G-OTH-39641 — Technical Specifications

Name: Siemens 3G-OTH-39641 SIEMENS Overload Relay: Thermal Protection, 3 Poles, 1NO/1NC, Frame Size S0 (MPN 3RU21261FB0). Key specifications — Brand: SIEMENS; Auxiliary Contact Form: 1NO/1NC; Compatible Contactor Series: SIRIUS; Terminal Connection Type: Screw Terminals; Frame Size: S0; Maximum Voltage Rating: 690V AC; Phase Loss Sensitivity: No; Thermal Units Required: None (Relay Includes Integrated Bimetallic Elements).
Brand: Siemens

The SIEMENS Overload Relay is a three-pole IEC thermal overload relay with frame size S0, featuring integrated bimetallic elements and auxiliary contact form 1NO/1NC. It has a maximum voltage rating of 690V AC and uses screw terminals. This relay is compatible with SIRIUS contactors of frame size S0 and does not include phase loss sensitivity.

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Technical Specifications

Parameter	Value
Brand	SIEMENS
Frame Size	S0
Compatible Contactors	Frame Size S0
Auxiliary Contact Form	1NO/1NC
Maximum Voltage Rating	690V AC
Phase Loss Sensitivity	No
Thermal Units Required	None (Relay Includes Integrated Bimetallic Elements)
Manufacturer Part Number	3RU21261FB0
Terminal Connection Type	Screw Terminals
Compatible Contactor Series	SIRIUS