We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

FURNAS SIEMENS 3RH1921-1CA10 Auxiliary Switch - Replacement HVACR Controls, Switches & Thermostats
FURNAS SIEMENSReplacement HVACR Controls, Switches & Thermostats

FURNAS SIEMENS 3RH1921-1CA10 Auxiliary Switch

FURNAS SIEMENS Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Auxiliary Switch.

SKU 3G-OTH-88209

Also listed as: 3RH19211CA10 · 3RH1921 1CA10

Brand
FURNAS SIEMENS
Item
3RH1921-1CA10 Auxiliary Switch
Category
Replacement HVACR Controls, Switches & Thermostats
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

FURNAS SIEMENS
Manufacturer Part Number
3RH1921-1CA10
Product Type
Auxiliary Switch

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

FURNAS SIEMENS Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

FURNAS SIEMENS Replacement HVACR Controls, Switches & Thermostats. Specifications: Product Type: Auxiliary Switch.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Furnas Siemens 3RH1921-1CA10 auxiliary switch used for?

The Furnas Siemens 3RH1921-1CA10 auxiliary switch is used in industrial control panels to signal the position of contactors or relays. It provides remote status feedback for motor starters, HVAC systems, and automation equipment, ensuring reliable operation across machining, material handling, and other industrial departments.

What are the specifications of the Furnas Siemens 3RH1921-1CA10 auxiliary switch?

The Furnas Siemens 3RH1921-1CA10 is an auxiliary switch with manufacturer part number 3RH1921-1CA10. It is designed for use with Siemens contactors and relays, providing additional switching contacts for control circuits. For detailed electrical ratings, consult the manufacturer's datasheet.

Where to buy the Furnas Siemens 3RH1921-1CA10 auxiliary switch worldwide?

3G Electric supplies the Furnas Siemens 3RH1921-1CA10 auxiliary switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this genuine Siemens part.

How to select the correct auxiliary switch for a Siemens contactor?

To select the correct auxiliary switch for a Siemens contactor, match the manufacturer part number, such as 3RH1921-1CA10, to your contactor series. Verify the number of normally open and normally closed contacts required. For the Furnas Siemens 3RH1921-1CA10, confirm compatibility with your specific contactor model before ordering.

Used in

Common applications for FURNAS SIEMENS
HVACR systems — Furnas Siemens contactors (3RT2027-1AK60) for switching compressors and condenser fans in commercial air conditioning units.
Industrial motor control — Furnas Siemens auxiliary switches (3RH1921-1CA10) for status signaling in motor starter circuits.
Pump control panels — Furnas Siemens switching relays (3TX7114-5LC13) for interlocking and sequencing of pump motors.
Conveyor systems — Furnas Siemens contactors for controlling conveyor belt drives in material handling applications.
Building automation — Furnas Siemens relays for switching lighting or HVAC actuators in commercial building control panels.
Machine tool control — Furnas Siemens auxiliary switches for limit switch feedback in automated manufacturing equipment.

FURNAS SIEMENS Products

3G Electric supplies FURNAS SIEMENS replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Auxiliary switch for use with contactors and relays in industrial control panels and HVACR systems. Provides additional switching contacts for status feedback and signaling in motor control centers and building automation
Siemens
Auxiliary switch for use with contactors and relays in industrial control panels and HVACR systems. Provides additional switching contacts for status feedback and signaling in motor control centers and building automation
The FURNAS 3RB3026-1QB0 is a switching relay used in HVACR systems to control electrical loads such as compressors, fans, and pumps. It provides on/off switching in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications
FURNAS
The FURNAS 3RB3026-1QB0 is a switching relay used in HVACR systems to control electrical loads such as compressors, fans, and pumps. It provides on/off switching in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications
Switching relay for HVACR systems, used to control electrical loads such as compressors, fans, and pumps. Suitable as a replacement control component in industrial heating, ventilation, air conditioning, and refrigeration applications
FURNAS
Switching relay for HVACR systems, used to control electrical loads such as compressors, fans, and pumps. Suitable as a replacement control component in industrial heating, ventilation, air conditioning, and refrigeration applications
Replacement coil for contactors and relays in HVACR systems. Used in heating, ventilation, air conditioning, and refrigeration equipment to control electrical switching. Suitable for industrial temperature and electrical control applications
FURNAS
Replacement coil for contactors and relays in HVACR systems. Used in heating, ventilation, air conditioning, and refrigeration equipment to control electrical switching. Suitable for industrial temperature and electrical control applications
This RHEEM furnace control board is a replacement HVACR control for gas furnaces. It manages ignition, blower, and safety functions in residential and light commercial heating systems. The board is designed for service or retrofit applications
RHEEM
This RHEEM furnace control board is a replacement HVACR control for gas furnaces. It manages ignition, blower, and safety functions in residential and light commercial heating systems. The board is designed for service or retrofit applications
This furnace control board manages ignition sequencing, blower timing, and safety limit monitoring in gas furnaces. It is a direct replacement for compatible models, ensuring proper heating system operation in residential and light commercial HVAC applications
RHEEM
This furnace control board manages ignition sequencing, blower timing, and safety limit monitoring in gas furnaces. It is a direct replacement for compatible models, ensuring proper heating system operation in residential and light commercial HVAC applications

More from FURNAS SIEMENS

View all FURNAS SIEMENS parts
Electromechanical contactor for switching electrical loads in HVACR, industrial machinery, and motor control applications. Provides on/off control for compressors, fans, pumps, and other equipment. Suitable for replacement in existing systems
FURNAS SIEMENS
Electromechanical contactor for switching electrical loads in HVACR, industrial machinery, and motor control applications. Provides on/off control for compressors, fans, pumps, and other equipment. Suitable for replacement in existing systems
This switching relay is designed for use in HVACR systems to control electrical loads such as compressors, fans, and pumps. It is suitable for replacement and new installations in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications
FURNAS SIEMENS
This switching relay is designed for use in HVACR systems to control electrical loads such as compressors, fans, and pumps. It is suitable for replacement and new installations in commercial and industrial heating, ventilation, air conditioning, and refrigeration applications