Siemens Auxiliary Contact, 2 Contact, 2 NC, 3RH, Snap-On, 10 A, 3RH1921-1EA02
- RS Stock No.:
- 159-419
- Mfr. Part No.:
- 3RH1921-1EA02
- Manufacturer:
- Siemens
Subtotal (1 unit)*
PHP1,885.13
(exc. VAT)
PHP2,111.35
(inc. VAT)
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In Stock
- Plus 26 unit(s) shipping from May 04, 2026
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Units | Per Unit |
|---|---|
| 1 + | PHP1,885.13 |
*price indicative
- RS Stock No.:
- 159-419
- Mfr. Part No.:
- 3RH1921-1EA02
- 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 | |
| Number of Contacts | 2 | |
| Product Type | Auxiliary Contact | |
| Normal State Configuration | 2 NC | |
| Series | 3RH | |
| Mount Type | Snap-On | |
| Contact Current | 10A | |
| Terminal Type | Screw | |
| Rated Insulation Voltage Ui | 500V | |
| Minimum Operating Temperature | -25°C | |
| Mounting Location | Snap-On | |
| Operational Current Ie | 10A | |
| Maximum Operating Temperature | 60°C | |
| Standards/Approvals | RoHS, and KC, UKCA, CE, UL, CCC | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Number of Contacts 2 | ||
Product Type Auxiliary Contact | ||
Normal State Configuration 2 NC | ||
Series 3RH | ||
Mount Type Snap-On | ||
Contact Current 10A | ||
Terminal Type Screw | ||
Rated Insulation Voltage Ui 500V | ||
Minimum Operating Temperature -25°C | ||
Mounting Location Snap-On | ||
Operational Current Ie 10A | ||
Maximum Operating Temperature 60°C | ||
Standards/Approvals RoHS, and KC, UKCA, CE, UL, CCC | ||
Siemens 3RH Series Auxiliary Contact, 10A Contact Current, 500V Rated Insulation Voltage - 3RH1921-1EA02
This auxiliary contact is a Snap-on auxiliary switching device designed to extend control capabilities in electrical systems. It provides additional normally closed switching points for monitoring or interlocking purposes and is intended for attachment to compatible contactors and control modules within industrial automation and electrical installations.
Features and Benefits:
• Two normally closed contacts offering simple state monitoring
• Rated operational current 10A enabling moderate control loads
• Rated insulation voltage 500V supporting higher-voltage circuits
• Screw terminals for secure conductor connections
• Snap-on mounting for Rapid installation onto existing devices
• Rated operational current 10A enabling moderate control loads
• Rated insulation voltage 500V supporting higher-voltage circuits
• Screw terminals for secure conductor connections
• Snap-on mounting for Rapid installation onto existing devices
Applications
• Suitable for adding feedback to industrial contactors
• Ideal for interlock circuits in motor control panels
• Used with control relays in automation racks
• Can be used for status indication on distribution switchgear
• Ideal for interlock circuits in motor control panels
• Used with control relays in automation racks
• Can be used for status indication on distribution switchgear
What Terminal type does it use for wiring?
It uses screw terminals that provide clamped conductor connections for standard control wiring.
How many switching elements are provided and what is their configuration?
There are two switching elements configured as normally closed contacts for circuit interruption when actuated.
What mounting method is required for installation?
The unit employs a Snap-on mount for direct attachment to compatible contactor bodies or mounting rails.
What temperature range should be observed for reliable operation?
The operating environment should remain within -25°C to 60°C to maintain specification compliance.