Siemens Auxiliary Contact, 2 Contact, 1 NO/1 NC, 3RH1, Side, 10 A, 440V, 3RH1921-1JA11
- RS Stock No.:
- 746-0718
- Mfr. Part No.:
- 3RH1921-1JA11
- Manufacturer:
- Siemens
Subtotal (1 unit)*
PHP1,139.73
(exc. VAT)
PHP1,276.50
(inc. VAT)
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In Stock
- 71 unit(s) ready to ship from another location
- Plus 31 unit(s) shipping from May 01, 2026
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Units | Per Unit |
|---|---|
| 1 + | PHP1,139.73 |
*price indicative
- RS Stock No.:
- 746-0718
- Mfr. Part No.:
- 3RH1921-1JA11
- Manufacturer:
- Siemens
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Auxiliary Contact | |
| Number of Contacts | 2 | |
| Normal State Configuration | 1 NO/1 NC | |
| Series | 3RH1 | |
| Contact Current | 10A | |
| Mount Type | Side | |
| Terminal Type | Screw | |
| Pole and Throw Configuration | 2P | |
| Contact Voltage | 440V | |
| Mounting Location | Lateral | |
| Operational Current Ie | 10A | |
| Mechanical Durability | 10Mcycles | |
| Minimum Operating Temperature | -25°C | |
| Rated Insulation Voltage Ui | 500V | |
| Maximum Operating Temperature | 60°C | |
| Standards/Approvals | DIN EN 50012 | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Auxiliary Contact | ||
Number of Contacts 2 | ||
Normal State Configuration 1 NO/1 NC | ||
Series 3RH1 | ||
Contact Current 10A | ||
Mount Type Side | ||
Terminal Type Screw | ||
Pole and Throw Configuration 2P | ||
Contact Voltage 440V | ||
Mounting Location Lateral | ||
Operational Current Ie 10A | ||
Mechanical Durability 10Mcycles | ||
Minimum Operating Temperature -25°C | ||
Rated Insulation Voltage Ui 500V | ||
Maximum Operating Temperature 60°C | ||
Standards/Approvals DIN EN 50012 | ||
Siemens 3RH1 Series Auxiliary Contact, 1NC + 1NO Normal State Configuration, Side Mount Mounting Style - 3RH1921-1JA11
This auxiliary contact enhances electrical control systems, ensuring dependable operation across diverse applications. Its integration improves contactor functionality, offering key advantages for automation and electrical systems. The dual configuration of normally closed (NC) and normally open (NO) contacts allows for versatile operations in various settings.
Features & Benefits
• Features 1 NO and 1 NC for adaptable control
• Side mount design optimises space
• Utilises screw terminal connections for secure wiring
• Offers high mechanical endurance with 10 million cycles
• Supports a broad range of operational currents for increased versatility
• Designed for easy integration with 3RT1 contactors
Applications
• Utilised in automation systems for control tasks
• Facilitates status indication in industrial machinery
• Ideal for use with 3RT10 and 3RT12 contactors
• Suitable for safety circuits needing reliable signalling
• Commonly employed in electrical distribution panels
How does the dual contact configuration benefit my system?
The dual configuration allows for both control and signalling functions in one unit, enhancing operational efficiency.
What is the maximum operational temperature for this device?
The device operates effectively in temperatures ranging from -25°C to +60°C, ensuring adaptability to various environments.
Can it be used with other brands' contactors?
While designed for 3RT1 series contactors, compatibility with other brands may vary based on specific electrical requirements.
How should I maintain it for optimal performance?
Regular inspection and cleaning of terminals can help maintain connection integrity and extend the product's lifespan.
What type of cable can be connected to the terminals?
The terminals accommodate solid or stranded cables within a cross-section of 0.5 to 2.5mm², ensuring versatility in installation.