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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RV1901-1B |
| Alternative Part Number | 3RV19011B |
| Manufacturer | Siemens |
| Part Category | Auxiliary Switch |
| Short Description | Auxiliary switch for circuit breaker Size S00 |
| Country of Origin | Not specified |
| Commodity Code | 853650 |
| Mounting Type | Plug-in fixing |
| Width | 9.5 mm |
| Height | 90 mm |
| Depth | 70 mm |
| Type of Electrical Connection | Screw-type terminals |
| Connectable Conductor Cross-sections | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| AWG Conductors for Auxiliary Contacts | 2x (18 ... 14) |
| Certificates/ Approvals | CE / UL / CSA / CCC |
| Ambient Temperature During Operation | -20°C to +60°C |
| Ambient Temperature During Storage | -50°C to +80°C |
| Protection Class IP on the Front | IP20 |
| Number of NO Contacts for Auxiliary Contacts | 2 |
| Operating Current of Auxiliary Contacts at AC-12 | 10 A at 24 V, 230 V, 400 V, 690 V |
| Operating Current of Auxiliary Contacts at AC-15 | 6 A at 24 V, 4 A at 230 V, 3 A at 400 V, 1 A at 690 V |
| Operating Current of Auxiliary Contacts at DC-13 | 2 A at 24 V, 0.5 A at 110 V, 0.25 A at 220 V |
The Siemens 3RV1901-1B is a high-quality auxiliary switch designed for circuit breakers of size S00 to S3. This lateral auxiliary switch is a key component in industrial automation systems, offering reliable and efficient operation. It comes with 2 Normally Open (NO) contacts for auxiliary circuits, providing flexibility in various applications. The part is designed for plug-in fixing, making it easy to install in your system. With a width of 9.5mm, a height of 90mm, and a depth of 70mm, it is compact and space-efficient. The 3RV1901-1B can operate in a wide range of ambient temperatures, from -20°C to +60°C, making it suitable for use in diverse environments. Please note that this product is being phased out and its preferred successor is the SIRIUS 3RV2.
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Frequently Asked Questions
What is the purpose of this auxiliary switch?
This auxiliary switch is designed to be mounted on the side of a circuit breaker. It is used to control the operation of the circuit breaker, allowing for safe and efficient control of electrical circuits.
What size circuit breaker is this part compatible with?
This auxiliary switch is compatible with circuit breakers of sizes S00, S0, S2, and S3.
What is the operating temperature range for this part?
The operating temperature range for this part is -20°C to +60°C. It can be stored in temperatures ranging from -50°C to +80°C.
How many NO contacts does this auxiliary switch have?
This auxiliary switch has 2 NO (Normally Open) contacts for auxiliary contacts instantaneous contact.
What is the protection class IP on the front of this part?
The protection class IP on the front of this part is IP20.
What type of mounting does this part use?
This part uses a plug-in fixing for mounting.
What are the dimensions of this part?
The width of this part is 9.5mm, the height is 90mm, and the depth is 70mm.
What type of electrical connection does this part use for auxiliary and control current circuit?
This part uses screw-type terminals for the electrical connection for auxiliary and control current circuit.
What type of conductor cross-sections can be connected to this part?
For auxiliary contacts, this part can connect to solid conductors of 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), and AWG conductors of 2x (18 ... 14).
What certifications does this part have?
This part has a Certificate of suitability with CE / UL / CSA / CCC.
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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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
