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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1911-1HA01 |
| Alternative Part Number | 3RH19111HA01 |
| Manufacturer | Siemens |
| Product Type | Auxiliary Switch |
| Series | 3RH |
| Mounting Type | Snap On Mount |
| Current Rating | 10 A |
| Dimensions | 36 x 38 x 32 mm |
| Number of NC Contacts | 1 (instantaneous switching) |
| Operating Voltage | Up to 690 V (insulation voltage with degree of pollution 3) |
| Impulse Voltage Resistance | Rated value 6 kV |
| Operating Current at AC-15 | 6 A at 24 V, 6 A at 230 V, 3 A at 400 V, 1 A at 690 V |
| Operating Current at DC-13 | 6 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V |
| Mechanical Operating Cycles | Typical 10,000,000 |
| Electrical Operating Cycles | Typical 200,000 at AC-15 / at 230 V |
| Ambient Temperature Range | Operating: -25 to +60 °C, Storage: -55 to +80 °C |
| Protection Class | IP20 on the front |
| Connection Type | Screw-type terminals |
| Conductor Cross-section | For auxiliary contacts: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) for solid and finely stranded wires |
| Compliance | Mirror contact to IEC 60947-4-1, Positively driven operation to IEC 60947-5-1 |
The Siemens 3RH1911-1HA01 is a high-quality auxiliary switch block designed to complement contactors used for motor switching applications. This component is part of the esteemed 3RH series and is renowned for its reliability and durability in industrial settings. With a snap-on mounting design, it ensures a secure and straightforward installation process.
Crafted for optimal performance, the switch block features a single normally closed (NC) contact configuration, conforming to the DIN EN50012 standard. The robust screw connection system facilitates a solid and dependable electrical connection, suitable for a variety of conductor types.
This auxiliary switch block is engineered to withstand a wide range of operating temperatures, from -25°C to +60°C, making it versatile for use in diverse environments. It boasts an impressive insulation voltage rating of 690V and an impulse voltage resistance of 6kV, ensuring it can handle the rigours of industrial electrical systems.
The compact dimensions of 36 x 38 x 32 mm allow for efficient use of space within electrical assemblies. The 3RH1911-1HA01 is designed with safety in mind, featuring mirror contacts to IEC 60947-4-1 and positively driven operation to IEC 60947-5-1, providing an extra layer of operational security.
Ideal for a wide range of industrial applications, this auxiliary switch block is a testament to Siemens' commitment to quality and innovation in electrical component design.
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Frequently Asked Questions
What is the current rating for this auxiliary switch?
The auxiliary switch is rated for 10 A.
Can you describe the mounting type for this auxiliary switch?
The auxiliary switch features a snap-on mounting design for easy installation.
What are the dimensions of this auxiliary switch?
The dimensions of the auxiliary switch are 36 x 38 x 32 mm.
What is the protection class of this auxiliary switch?
The protection class for the front of the auxiliary switch is IP20.
What is the ambient temperature range for operating this auxiliary switch?
The auxiliary switch can operate within an ambient temperature range of -25°C to +60°C.
How many mechanical operating cycles can this auxiliary switch withstand?
The auxiliary switch is designed to withstand typically 10,000,000 mechanical operating cycles.
What is the insulation voltage rating for this auxiliary switch?
The insulation voltage rating for the auxiliary switch, with a degree of pollution 3, is 690 V.
What type of electrical connection does this auxiliary switch support?
The auxiliary switch supports screw-type terminals for electrical connections.
Does this auxiliary switch have a mirror contact function?
Yes, the auxiliary switch has a mirror contact function according to IEC 60947-4-1.
Is the auxiliary switch positively driven?
Yes, the auxiliary switch operates with positively driven operation according to IEC 60947-5-1.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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