Will this send 12V power to the output only if the input voltage hits around 12V and not when it is at its usual 6V.

I don't know what voltage/amperage it takes to trigger the relay. The output voltage would match the input voltage, not increase or decrease it.

Is this a continuous duty relay ?

As far as I know it is, I used it to replace my cars blower relay and when that's on it stays on until the end of the drive 20 min to 2 or 3 hours. So I would say yes.

Does this relay make a sound when it closes/opens the circuit?

Yes it does when you install it and turn on the item or you can test it with a 12 volt source, if it doesn't make a clicking noise than it is no good and needs to be replaced.

What amperage rating is this relay?

Hi, I looked on the relay and did not see a amperage rating. I used it for my tc40 tractor. it was used for the glow plugs so it may be on the higher side. good luck, don

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Bosch 0332019110 Mini Relay 12V 30A, IP5K4, Operating Temperature from -40 Degree to 100 Degree C, 4 Pin Relay with Relay bracket

Product ID: 289306221

Details

Connector type
Pin
Contact material
Silver
Contact type
Normally Open
Current rating
30 Amps
Mounting type
Surface Mount

⚡30A high power switching

🌡️-40°C to 100°C temp range

🛡️IP5K4 dust & water resistant

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Description

⚡ Power your projects with Bosch’s mini relay — small size, massive impact!

UNMATCHED DURABILITY - Engineered for up to 250,000 switching cycles—built to outlast the competition.
POWERHOUSE PERFORMANCE - Handles heavy-duty 12V, 30A loads with ease for reliable high-current switching.
PLUG PLAY CONVENIENCE - Compact 4-pin design with included bracket for seamless integration and quick installation.
CORROSION RESISTANT BUILD - Fiber-reinforced polyamide housing ensures long-lasting protection against harsh elements.
EXTREME ENVIRONMENT READY - Operates flawlessly from freezing -40°C to scorching 100°C—perfect for any climate.

The Bosch 0332019110 Mini Relay is a robust 12V, 30A normally open relay designed for high durability and performance. Featuring an IP5K4-rated housing and fiber-reinforced polyamide base, it withstands extreme temperatures from -40°C to 100°C and up to 250,000 switching cycles. Its compact 4-pin design with bracket makes it ideal for automotive and industrial applications requiring reliable, high-current switching.

Specifications

ASIN	B004Z0WGZS
Best Sellers Rank	#43,724 in Automotive ( See Top 100 in Automotive ) #11 in Automotive Relay Control Module Relays
Brand Name	BOSCH
Coil Voltage	12 Volts
Connector Type	Pin
Contact Current Rating	30 Amps
Contact Material	Silver
Contact Type	Normally Open
Current Rating	30 Amps
Customer Reviews	4.6 4.6 out of 5 stars (592)
Global Trade Identification Number	03165141212938
Included Components	Relay
Item Type Name	4 Pins, 12 V, 30 A, Normal Open Mini Relays
Manufacturer	Bosch
Maximum Switching Current	30 Amps
Minimum Switching Voltage	12 Volts
Model	0332019110
Mounting Type	Surface Mount
Operation Mode	Automatic
Part Number	0332019110
Wattage	360 watts

Reviews

C**N

Buon prodotto

7.10.2023

R**E

Die Hupe eines Traktors sollte über ein Hitzerelais geschaltet werden. Der vorhandene Strom reichte für die Hupe nicht aus. Dank Relais funktioniert nun alles wie es soll.

27.01.2026

T**O

Degelijk autorelais van een degelijke fabrikant Bosch. Met interne blusdiode tegen piekstromen, perfect. Niet twijfelen, als je zo'n type relais zoekt, deze kopen.

6.11.2025

G**N

This Bosch relay is great quality and compact in size which is helpful using it to create automotive auxiliary circuits as I needed to do. Used one to create a 20 amp ignition switched circuit for a mobile GMRS radio and it has been working great. I had not doubts about the function or quality since these Bosch relays are commonly used by OEM's in their factory wiring.

27.12.2024

B**A

Muy bien cumple como el original.

27.10.2025

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

586730₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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