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

FURNAS SIEMENS Auxiliary Switch: Mfr Part # 3RH1921-1CA10

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
Auxiliary Switch: Mfr Part # 3RH1921-1CA10
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

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

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

Product Description

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

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.

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