Special price
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal
Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal

SIEMENS

Siemens 3RH2911-2DA11 Auxiliary Switch Lateral 1 NO + 1 NC, Spring-Loaded Terminal Original Brand New

Model / SKU3RH2911-2DA11

Reliable Siemens lateral auxiliary switch block with a 1 NO + 1 NC configuration and spring-loaded terminals. Essential accessory for expanding control circuit capacity on 3RT2.1 contactors.

Original price was: $23.79.Current price is: $12.37.
Available on backorder
  • ConditionOriginal Brand New
  • Warranty12 months

Backorder available · Factory lead time 2–3 weeks.

Request bulk quoteAsk on WhatsApp
  • Genuine Products
  • Up to 1-Year Warranty
  • Global Shipping
  • Secure Payment
  • PI / Bank Transfer Available
  • Bulk Quote Support

Description

Overview

The Siemens 3RH2911-2DA11 is a lateral auxiliary switch engineered to deliver precise and dependable switching support for control circuits. This unit offers a dual-contact configuration featuring 1 Normally Open (1 NO) and 1 Normally Closed (1 NC) contacts, allowing efficient expansion of control functions such as signaling, interlocking, and monitoring.

Designed to mount directly to the side of Siemens 3RT2.1 contactors, the 3RH2911-2DA11 ensures quick installation without additional adapters. Its spring-loaded terminals provide secure wire connection while reducing installation time and minimizing wiring errors in demanding industrial environments.

This auxiliary switch is the perfect choice for electrical panels, automation systems, and industrial control setups requiring dependable auxiliary signaling and durable long-term performance.

Benefit

  • Reliable contact performance: Ensures accurate switching operations with 1 NO + 1 NC contacts.

  • Easy installation: Lateral mounting with spring-loaded terminals reduces wiring time.

  • Compatibility assured: Designed specifically for Siemens 3RT2.1 contactors.

  • Enhanced system signaling: Provides clear status monitoring for automation and control applications.

  • Durable and robust: Built to Siemens’ industrial-grade standards for long-lasting performance.

Function & Features

  • Configuration: 1 NO + 1 NC auxiliary contact

  • Current Path: 1 NC, 1 NO

  • Mounting Position: Lateral

  • Terminal Type: Spring-loaded terminal for secure wiring

  • Left Contacts: 41/42, 53/54

  • Right Contacts: 21/22, 33/34

  • Application: For use with Siemens 3RT2.1 contactors

  • Function: Provides additional signaling, control expansion, and operational feedback in industrial control circuits.

Download

Datasheet in PDF

Visit 3RH2911-2DA11 for more detail info

For more our products visit turll

 

Specifications

SKU / Model3RH2911-2DA11
BrandSIEMENS
product brand nameSIRIUS
suitability for useContactor relay and power contactor
protection class IP on the frontIP20
ambient temperature-
● during storage-55 ... +80 °C
● during operation-25 ... +60 °C
mechanical service life (switching cycles) typical10 000 000
electrical endurance (switching cycles) at AC-15 at 230 V typical200 000
contact reliability of auxiliary contacts1 faulty switching per 100 million (17 V, 1 mA)
insulation voltage with degree of pollution 3 at AC rated value690 V
surge voltage resistance rated value6 kV
number of NC contacts for auxiliary contacts-
● lagging switching0
number of NO contacts for auxiliary contacts-
● instantaneous contact1
● leading contact0
operational current of auxiliary contacts at AC-12-
● at 24 V10 A
● at 230 V10 A
● maximum10 A
● of auxiliary contacts-
— at AC-14-
— at 125 V6 A
— at 250 V6 A
— at AC-15-
— at 230 V6 A
— at 400 V3 A
● at AC-15 at 690 V rated value1 A
● of auxiliary contacts at DC-12-
● with 2 current paths in series at DC-12-
● with 3 current paths in series at DC-12-
operational current-
● of auxiliary contacts at DC-13-
— at 24 V6 A
— at 60 V2 A
— at 110 V1 A
— at 220 V0.3 A
● with 2 current paths in series at DC-13-
● with 3 current paths in series at DC-13-
— at 24 V rated value10 A
— at 60 V rated value4.7 A
— at 110 V rated value3 A
— at 220 V rated value1.2 A
— at 440 V rated value0.5 A
— at 600 V rated value0.26 A
fastening methodsnap-on mounting
type of electrical connection for auxiliary and control circuitspring-loaded terminals
type of connectable conductor cross-sections-
● for auxiliary contacts-
— finely stranded-
— with core end processing2x (0.5 ... 1.5 mm²)
— without core end processing2x (0.5 ... 2.5 mm²)
● at AWG cables for auxiliary contacts2x (20 ... 14)
product function mirror contact acc. to IEC 60947-4-1Yes
● notewith 3RT2
product function positively driven operation acc. to IEC 60947-5-1No
last modified:12/23/2020
Weight0.050 kg
Dimensions68.00 × 74.00 × 20.00 mm

Need bulk pricing or a hard-to-find part?

Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.

Request a QuoteChat on WhatsApp

Related products

WhatsApp Request a Quote