3RH2921-2DE11

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Overview: Siemens 3RH2921-2DE11 Solid-State Compatible Auxiliary Switch Block

The Siemens 3RH2921-2DE11 is a lateral auxiliary switch block designed for SIRIUS motor contactors and contactor relays (sizes S00 to S3). It features 2 contacts configured as 1 normally open (NO) and 1 normally closed (NC), providing reliable switching for control circuits. The block is solid-state compatible, equipped with spring-loaded terminals and designed for snap-on mounting, assuring easy installation and maintenance in automation systems.

Key Features

  • Contact Configuration: 1 NO + 1 NC contact for versatile control signaling.
  • Compatibility: Suitable for 3RT2 and 3RH2 motor contactors and contactor relays.
  • Mounting: Lateral snap-on mounting for easy attachment alongside contactors.
  • Connection Type: Spring-loaded terminals enable secure, vibration-resistant wiring.
  • Voltage Rating: Operates at 24/60 V DC with 0.3 A current for control circuits.
  • Durability: Designed for up to 5 million mechanical operating cycles.
  • Protection: IP20 front protection for dust ingress resistance.
  • Operating Temperature: -25 to +60 °C for reliability in diverse environments.

Technical Specs

Specification Details
Type Lateral Auxiliary Switch Block
Contact Configuration 1 Normally Open (NO) + 1 Normally Closed (NC)
Compatible Sizes S00 to S3
Compatible Products 3RT2 and 3RH2 Contactors/Relays
Connection Spring-loaded terminals
Voltage Rating 24/60 V DC
Rated Current 0.3 A
Mechanical Life 5 million cycles
Protection Class IP20
Dimensions (HxWxD) 61.2 mm x 10 mm x 66 mm
Operating Temp -25 to 60 °C

Applications / Use Case

This auxiliary switch block is used to provide additional control signaling in motor starter systems, especially in automation applications requiring reliable and precise switching performance.

3RH2921-2DE11

$0.00

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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