What is the function of this Siemens Auxiliary Switch Block?
The Siemens 3RH1921-1HA31 is an auxiliary switch block designed for motor contactors. It is used to control the state of the contactor and provide additional switching functions.
What are the technical specifications of this Auxiliary Switch Block?
This Auxiliary Switch Block operates at 230 V ac, 10 A. It has 3 Normally Open (NO) and 1 Normally Closed (NC) contacts. It uses an EN 50012 Screw terminal for connection.
What is the operating temperature range of this part?
The Siemens 3RH1921-1HA31 can operate in temperatures ranging from -25 to +60 degrees Celsius.
What is the protection class of this part?
The Siemens 3RH1921-1HA31 has a protection class IP20 on the front.
What is the insulation voltage of this part?
The insulation voltage of the Siemens 3RH1921-1HA31 with a degree of pollution 3 is 690 V.
What is the impulse voltage resistance of this part?
The impulse voltage resistance of the Siemens 3RH1921-1HA31 is 6 kV.
What is the mounting type of this part?
The Siemens 3RH1921-1HA31 uses snap-on mounting.
What are the dimensions of this part?
The Siemens 3RH1921-1HA31 has a width of 44 mm, a height of 38 mm, and a depth of 51 mm.
What type of electrical connection does this part use?
The Siemens 3RH1921-1HA31 uses screw-type terminals for auxiliary and control current circuit.
Does this part have a mirror contact to IEC 60947-4-1?
Yes, the Siemens 3RH1921-1HA31 has a mirror contact to IEC 60947-4-1.