Siemens 3RH2911-1XA40-0MA0 SIRIUS Auxiliary Switch Block, 4 NO, Front Mount, Screw Terminal Original Brand New
$34.07
Siemens 3RH2911-1XA40-0MA0 is a front-mounted SIRIUS auxiliary switch block featuring 4 Normally Open (NO) contacts. Designed for seamless integration with 3RT2 contactors and 3RH2 contactor relays, it provides reliable signal switching in industrial control circuits via secure screw terminals.
Availability: In stock
Overview
The Siemens 3RH2911-1XA40-0MA0 is a precision-engineered auxiliary switch, designed to ensure efficient control and monitoring of your electrical circuits. This switch features 4 NO (normally open) contacts, making it ideal for signaling and control applications. Its compact front-mounted design and screw terminal connections guarantee easy installation and long-term reliability. Compatible with Siemens 3RT2 contactors and 3RH2 contactor relays, it is an essential component for industrial automation systems.
Key Benefit
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Space-Saving Design: Front-mounting capability ensures you save valuable rail space in your control cabinet.
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High Reliability: Built to Siemens’ rigorous SIRIUS standards for long electrical and mechanical life.
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Easy Installation: Tool-free “snap-on” mounting onto the front of 3RT2 contactors.
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Clear Identification: Terminal markings (53/54, 63/64, 73/74, 83/84) ensure error-free wiring.
Technical Function
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Contact Configuration: 4 NO (Normally Open) contacts.
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Connection Type: Heavy-duty screw terminals for secure vibration-resistant wiring.
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Current Paths: 4 independent 1 NO paths for versatile logic control.
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Compatibility: Fully compatible with Siemens 3RT2 Power Contactors and 3RH2 Contactor Relays (Size S00 through S3).
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| Weight | 0.0513 kg |
|---|---|
| Dimensions | 45.00 × 50.00 × 60.00 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 | 4 |
| ● 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 |
| last modified: | 12/21/2020 |
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