Siemens 3RH2911-1XA22-0MA0 SIRIUS Auxiliary Switch Block, Front Mount, 2 NO + 2 NC Original Brand New
$34.07
High-reliability SIRIUS auxiliary switch block designed for front-side mounting. It provides 4 poles (2 NO + 2 NC) with screw terminal connections, specifically engineered for use with Siemens 3RT2 power contactors and 3RH2 contactor relays.
Availability: In stock
Overview
The Siemens 3RH2911-1XA22-0MA0 Auxiliary Switch is a high-quality front-mounted auxiliary contact block designed for seamless integration with Siemens 3RT2 contactors and 3RH2 contactor relays. Featuring a reliable 2 Normally Open (NO) and 2 Normally Closed (NC) contact configuration, this auxiliary switch ensures precise signaling and control in industrial automation systems.
Engineered with screw terminals for secure and easy installation, this Siemens auxiliary switch delivers long-lasting performance, electrical reliability, and operational safety in demanding industrial environments.
Key Benefit
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Genuine Siemens accessory for optimal compatibility
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Reliable 2 NO + 2 NC contact configuration
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Front-mounted design for quick installation
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Screw terminals ensure secure electrical connections
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Ideal for control, signaling, and automation applications
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Durable construction for long-term industrial use
Function
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Expands the control and signaling capabilities of Siemens contactors
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Enables auxiliary switching for monitoring and interlocking circuits
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Provides additional NO and NC contacts for automation logic
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Ensures stable current paths for industrial control systems
Technical Specification
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Contact Configuration: 2 NO + 2 NC
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Contact Designation: 53/54, 61/62, 71/72, 83/84
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Current Path: 1 NO, 1 NC, 1 NC, 1 NO
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Mounting Type: Front mounting
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Terminal Type: Screw terminal
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Compatible Devices: Siemens 3RT2 contactors, Siemens 3RH2 contactor relays
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Manufacturer: Siemens
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| Weight | 0.052 kg |
|---|---|
| Dimensions | 50.00 × 61.00 × 45.00 mm |
| Brand | SIEMENS |
| product brand name | SIRIUS |
| suitability for use | Contactor relay and power contactor |
| protection class IP on the front | IP20 |
| ambient temperature | – |
| ● during storage | -55 … +80 °C |
| ● during operation | -25 … +60 °C |
| mechanical service life (switching cycles) typical | 10 000 000 |
| electrical endurance (switching cycles) at AC-15 at 230 V typical | 200 000 |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| surge voltage resistance rated value | 6 kV |
| number of NC contacts for auxiliary contacts | – |
| ● lagging switching | 0 |
| number of NO contacts for auxiliary contacts | – |
| ● instantaneous contact | 2 |
| ● leading contact | 0 |
| operational current of auxiliary contacts at AC-12 | – |
| ● at 24 V | 10 A |
| ● at 230 V | 10 A |
| ● maximum | 10 A |
| ● of auxiliary contacts | – |
| — at AC-14 | – |
| — at 125 V | 6 A |
| — at 250 V | 6 A |
| — at AC-15 | – |
| — at 230 V | 6 A |
| — at 400 V | 3 A |
| ● at AC-15 at 690 V rated value | 1 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 V | 6 A |
| — at 60 V | 2 A |
| — at 110 V | 1 A |
| — at 220 V | 0.3 A |
| ● with 2 current paths in series at DC-13 | – |
| ● with 3 current paths in series at DC-13 | – |
| — at 24 V rated value | 10 A |
| — at 60 V rated value | 4.7 A |
| — at 110 V rated value | 3 A |
| — at 220 V rated value | 1.2 A |
| — at 440 V rated value | 0.5 A |
| — at 600 V rated value | 0.26 A |
| fastening method | snap-on mounting |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
| type of connectable conductor cross-sections | – |
| ● for auxiliary contacts | – |
| — finely stranded | – |
| — with core end processing | 2x (0.5 … 1.5 mm²), 2x (0.75 … 2.5 mm²) |
| ● at AWG cables for auxiliary contacts | 2x (20 … 16), 2x (18 … 14) |
| product function mirror contact acc. to IEC 60947-4-1 | Yes |
| product function positively driven operation acc. to IEC 60947-5-1 | Yes |
| ● note | with 3RH2 |
| Test Certificates | Marine / Shipping |
| Vibration and Shock | – |
| last modified: | 12/21/2020 |
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