Siemens 3RH1921-1EA11 Auxiliary Contact Block (Lot of 4)

SiemensModel:3RH1921-1EA11
Location unavailable
Mechanical Switch
Qty:1
Condition: New
Request priceIn stock
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Salter Industries

Seller since: Feb 2026

At a glance

Product
Siemens 3RH1921-1EA11 Auxiliary Contact Block (Lot of 4)
Manufacturer
Siemens
Model
3RH1921-1EA11
Category
Mechanical Switch
Condition
NEW
Availability
In stock
Price or process
Request price
Quantity
1
Lead time
Not provided
Location
Location unavailable
Fulfillment
Shipping only
Listed on

Key specifications

Connection Type
Screw terminals
Contact Configuration
1 NO + 1 NC
Electrical Endurance (AC-15 at 230V)
1000000
Mechanical Endurance
30000000
Operating Temperature Max
60°F
Operating Temperature Min
-25°F
Protection Class
IP20
Rated Operational Current (AC-15 at 230V)
6A
Rated Operational Current (DC-13 at 24V)
10A
Rated Operational Voltage
690V

Supporting evidence

No supporting documents or certifications provided.

Description

The Siemens 3RH1921-1EA11 is a front-mounted auxiliary contact block designed for use with SIRIUS series contactors, providing additional switching capabilities in industrial control systems. This compact device features one normally open (NO) and one normally closed (NC) contact, enabling reliable signal transmission and control in automation applications such as motor starters, PLC interfaces, and control panels. Key benefits include easy snap-on installation, high electrical endurance (up to 10 million operations), and compatibility with Siemens 3RT1 and 3RT2 contactors. It offers robust performance in harsh environments with IP20 protection and screw-type terminals for secure connections. Advantages over similar products include Siemens' reputation for durability and precise engineering, reducing downtime compared to generic alternatives. Drawbacks may include higher cost than budget options and the need for compatible contactors. Ideal for manufacturing, HVAC, and conveyor systems, this lot of 4 units appears new in original packaging, making it suitable for inventory stocking or immediate deployment.
Location unavailable for this listing.

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Shipping Information

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Return Window
No returns accepted
Return Conditions
This equipment is sold as-is, where-is
Refund Policy
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