Siemens 3RH1921-1HA31 Auxiliary Switch Block 3NO+1NC 4 Pole Size S0...S3

Product Description

The SIEMENS 3RH1921-1HA31 auxiliary switch block is designed per DIN EN50012 for motor contactors. This 4-pole block features a 3NO+1NC contact configuration and utilizes screw connections. It mounts to any Siemens 3RT1 Size S0, S2, or S3 3 pole contactor. The front mounted auxiliary contact allows for tool-less installation and removal.

• Features 3 normally open and 1 normally closed auxiliaries.
• Utilizes screw terminals for secure connections.
• Can be combined with a side mounted auxiliary to add up to 6 additional switching poles.

Product Highlights

Front mounted auxiliary contact block with 3NO+1NC contacts and screw terminals, designed for Siemens 3RT1 Size S0-S3 contactors.

Product Information

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3RH1921-1HA31
• Country of Origin: Czech Republic

Technical Specifications

• Catalog Number: 3RH1921-1HA31
• Manufacturer: SIEMENS
• Brand: Siemens
• Country of Origin: Czech Republic
• UPC: 754554739410
• GTIN: 00754554739410
• Manufacturer Part Number: 3RH19211HA31
• Series: 3RH Series
• Overview: Auxiliary Contacts - 3RH Range
• Model: 3RH1921-1HA31
• Type: Auxiliary Contact
• MPN: 3RH1921-1HA31
• Number of Poles: 4
• Contacts: 3 normally open 1 normally closed
• Terminals: Screw
• Mounting: Front
• AC AND DC OPERATION: IEC 60 947, EN 60 947 (VDE 0660), UL 508