What is the protection class IP of this auxiliary switch block?
The protection class IP for the Siemens 3RH1921-1HA31 auxiliary switch block on the front is IP20.
What is the operating temperature range for this part?
The Siemens 3RH1921-1HA31 auxiliary switch block can operate in a temperature range of -25°C to +60°C.
What is the insulation voltage for this part?
The insulation voltage for the Siemens 3RH1921-1HA31 auxiliary switch block with a degree of pollution 3 is rated at 690V.
How many mechanical operating cycles can this part typically handle?
The Siemens 3RH1921-1HA31 auxiliary switch block can typically handle 10,000,000 mechanical operating cycles.
What is the contact reliability of the auxiliary contacts?
The contact reliability of the auxiliary contacts for the Siemens 3RH1921-1HA31 is 1 faulty switching per 100 million (17 V, 1 mA).
What are the dimensions of this auxiliary switch block?
The dimensions of the Siemens 3RH1921-1HA31 auxiliary switch block are 44mm in width, 38mm in height, and 51mm in depth.
What type of electrical connection does this part have?
The Siemens 3RH1921-1HA31 auxiliary switch block has screw-type terminals for the auxiliary and control current circuit.
Does this part have a mirror contact function?
Yes, the Siemens 3RH1921-1HA31 auxiliary switch block has a mirror contact function to IEC 60947-4-1 when used with 3RT1.