$20.57
$19.96
Tax included
Previous
Next
Share
Free Delivery in India | Lowest Global Shipping Charges
24/7 Customer Support
Shop with confidence knowing that our 24/7 Customer Support is always available to assist with any inquiries
Save up to 28% with GST Input
Avail maximum benefits from input tax mechanism on all your Business Invoices. Get GST Invoices on your business purchases. And 0% Taxes on all worldwide deliveries
# Lowest Price Challenge
If you find this product anywhere at lower cost than us. Call us and we will not only match the price but also give a complimentary coupon
100% Original Products
Shop with assurance, as each product we offer is 100% original, ensuring quality and authenticity with every purchase
Siemens Auxiliary Switch Block 2 Contact 1 NO/1 NC SIRIUS Snap-On 10A 500V 3RH1921-1DA11
Specifications
| Country of Origin | Romania |
|---|---|
| Brand | Siemens |
| Model | 3RH1921-1DA11 |
| Mount Type | Snap-On |
| Series | SIRIUS |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Screw |
| Mounting Location | Lateral |
| Number of Contacts | 2 |
| Contact Voltage | 500V |
| Normal State Configuration | 1 NO/1 NC |
| Contact Current | 10A |
| Operational Current Ie | 10A |
| Mechanical Durability | 10000000Cycles |
| Rated Insulation Voltage Ui | 500V |
Key Features
- Features a robust mechanical durability with 10 million switching cycles.
- Designed to operate reliably within a temperature range of -25°C to 60°C.
- Equipped with screw-type terminals for secure electrical connections.
- Compatible with 3RH series contactor relays and power contactors.
- Compact dimensions of 10 mm (W) x 80 mm (H) x 71 mm (D) for space-saving integration.
- Surge voltage resistance up to 6kV providing protection against current overloads.
- Ideal for control panel signal indication and alarm system applications.
Product Description
Siemens 3RH1921-1DA11 Auxiliary Switch Block is a reliable two-contact component featuring one normally open (NO) and one normally closed (NC) contact, designed for use with SIRIUS series contactors. It supports an operational current and contact current of 10A at 500V, with a rated insulation voltage of 500V to ensure safe and efficient switching performance.
Its snap-on mounting capability allows easy and tool-free installation on compatible 3RH series contactors, suitable for automation and control systems in industrial environments. The screw-type terminals guarantee secure electrical connections important for stable operation.
The device withstands harsh conditions with its broad operating temperature range of -25°C to 60°C and a strong surge voltage resistance of 6kV, which safeguards the switch block against electrical surges and current overloads. Mechanical service life is rated at 10 million switching cycles, underscoring its durability and reliability for long-term industrial use.
Compact with dimensions of 10 mm width, 80 mm height, and 71 mm depth, this auxiliary switch block fits well within crowded control panels and electrical setups, contributing to space-efficient designs.
Common applications include use in industrial automation, HVAC systems, manufacturing process controls, and electrical machinery for monitoring contactor performance and signaling.
Robust mechanical durability ensuring 10 million switching cycles. Designed for operation between -25°C to 60°C ambient temperatures. Screw-type terminals for secure electrical connections. Compatible with Siemens 3RH SIRIUS series contactors.
Compact snap-on mounting for easy and tool-free installation. High surge voltage resistance up to 6kV protects against overloads. Used for control panel signal indication and alarm systems.
This Siemens auxiliary switch block offers dependable performance and ease of integration into existing control systems, making it a valuable component for industrial automation and electrical control solutions.
Explore more auxiliary contacts and control gear components in the Electronics & Electricals > Relays & Contactors category at EnvMart.
Explore more products in our Auxiliary Contact Block category.
Looking to purchase in bulk?
- Purchase item in bulk quantity
- Get best price for your business
Frequently Asked Questions
The maximum contact current for this model is 10A.
The rated insulation voltage is 500V.
It operates reliably within a temperature range of -25°C to 60°C.
This unit features two contacts: one normally open (NO) and one normally closed (NC).
It is equipped with screw-type terminals for secure electrical connections.
The mechanical durability is rated at 10 million switching cycles.
Yes, it is compatible with Siemens 3RH series contactor relays and power contactors.
The dimensions are 10 mm (W) x 80 mm (H) x 71 mm (D).
It has a surge voltage resistance of up to 6kV.
It features a snap-on mounting design for easy and tool-free installation.
Common applications include industrial automation, HVAC systems, and electrical machinery for monitoring contactor performance and signaling.
The country of origin for this model is Romania.
Related Products
$10.62
$10.31
-3%
New
$15.95
$15.47
-3%
New
Other Products from this brand
$57,571.81
$20,207.70
-64.9%
$48,373.50
$14,463.68
-70.1%
Recently Viewed Products
$20.57
$19.96
Save 3%
Tax included
Quantity
Global Payments 140+ Countries
Global Shipping Fedex/UPS/DHL/Aramex/
BlueDart/Delhivery/DP World
24/7 Customer Support Email/Chat/Telephonic Support
Comments (0)
Your review appreciation cannot be sent
Report comment
Report sent
Your report cannot be sent