RZ G8MS-1A41T-R-489-1 Relay Spst Plug Resistor 12V 20A 4-TERMINAL

( Brand: Rz ), ( Manufacturer Part Number: G8MS-1A41T-R-489-1 ), ( Part Type: Plug ), ( Connector Type: 4-terminal Plug-in ), ( Contact Type: Normally Open ), ( Current Rating: 20 Amps ), ( Mounting Type: Plug In Mount ), ( Coil Resistance: 100 Ohms ), ( Coil Voltage: 12 Volts ), ( Maximum Switching Voltage: 15 Volts ), ( Minimum Switching Voltage: 10 Volts )

Review RZ G8ms-1a41t-r 12v Relay 20a Spst no Sealed Plug in Resistor

The RZ G8MS-1A41T-R 12V Relay is a versatile and reliable component designed for switching electrical loads with a maximum current capacity of 20 Amperes. This SPST-NO (Single Pole, Single Throw, Normally Open) relay comes with a 4-terminal plug-in configuration, making it easy to install and integrate into various electrical systems.

The 12V DC coil of this relay operates on a standard voltage range and provides a quiet switching action with minimal electrical noise. Its compact size of 32mm x 22mm x 13mm (L x W x H) makes it suitable for space-constrained applications.

The G8MS-1A41T-R 12V Relay features a gold-plated contact surface for improved conductivity and extended contact life. Its 20A contact rating ensures that it can handle heavier electrical loads without any compromise on performance or reliability.

1. IN1 (Input 1): This is the control terminal, which receives the switching signal from the external circuit.

2. NO (Normally Open): This terminal is connected to the contact when the relay is not activated. When the relay is activated, the contact closes, and the NO terminal becomes disconnected.

3. COM (Common): This terminal is used as the common connection point for the load and the normally open contact.

4. NC (Normally Closed): This terminal is connected to the contact when the relay is not activated. When the relay is activated, the contact opens, and the NC terminal becomes disconnected from the load.

The RZ G8MS-1A41T-R 12V Relay also includes a 470 resistor, which is wired in series with the coil to protect against inductive voltage spikes that can damage the control circuitry. This added safety feature ensures a longer lifespan for the relay and the connected components. Overall, this 20A 12V relay is an excellent choice for various applications where reliable switching of electrical loads is crucial.

A Comprehensive Analysis of the RZ G8MS-1A41T-R 12V Relay with 20A SPST-NO 4-Terminal Plug-in Resistor

The RZ G8MS-1A41T-R 12V Relay with 20A SPST-NO 4-Terminal Plug-in Resistor is an electrical component commonly used in various automotive and industrial applications. In this analysis, we will discuss the key features, advantages, and disadvantages of this relay, helping you make an informed purchasing decision.

1. 12V DC coil voltage operation

2. 20A contact current rating

3. SPST-NO (Single Pole, Single Throw, Normally Open) type

4. 4-terminal design (NO, COM, NC, and C)

5. Plug-in resistor included

1. Compact size: The small form factor of the relay makes it ideal for applications with limited space.

2. Easy installation: The plug-in resistor simplifies the installation process, as it eliminates the need for external resistors.

3. Durable: The relay is designed to withstand harsh environments, making it suitable for industrial and automotive applications.

4. Versatile: The 20A contact current rating and 4-terminal design make it applicable to a wide range of applications.

1. Limited load capacity: The 20A contact current rating may not be sufficient for high-current applications.

2. Coil voltage: The 12V DC coil voltage may not be suitable for all applications, especially those requiring higher voltages.

3. Potential noise: The relay may produce audible noise during operation, which could be a concern in quiet environments.

The RZ G8MS-1A41T-R 12V Relay with 20A SPST-NO 4-Terminal Plug-in Resistor is a reliable and versatile electrical component suitable for various automotive and industrial applications. Its compact size, easy installation, and durability are significant advantages. However, its limited load capacity and coil voltage, as well as the potential for noise, are disadvantages that should be considered.

If your application requires a 20A contact current, 12V DC coil voltage, and a compact size, then the RZ G8MS-1A41T-R 12V Relay with 20A SPST-NO 4-Terminal Plug-in Resistor is an excellent choice. However, if you need a higher contact current or a different coil voltage, you may need to consider alternative options. Always ensure that the relay is suitable for the specific application and that appropriate safety measures are taken during installation and usage.

Details:

OE: G8MS-1A41T-R. When to replace: intermittent no-, relay chatter, cooling fan not coming on, defogger/heater circuit energizing, hard start due control drop-out, or recurring fuse blows in the related. Fitment check no guessing: confirm fitment by OE/relay marking G8MS-1A41T-R coil voltage 12V terminal layout, and verify the controlled circuit in your vehicle manual examples of relay-controlled loads: engine cooling fan, glow plug, air pump, restive load. Related parts for a more reliable repair: consider replacing worn relay socket/terminal kit if the base is loose or heat-damaged; keep spare of same OE marking box position; multiple relays share fuse/relay box, label positions during removal to avoid mix-ups.

Install tips: disconnect the battery before service; pull old relay straight up avoid prying socket ; match terminal layout/markings on body with your base insertion; press fully until seated; if circuit is high-current cooling fan/glow plug/air pump/restive load, inspect socket and related fuse for heat damage or looseness replace any burnt terminals. Replacement may help if the relay tests out of spec or shows heat discoloration; diagnose root cause shorts, seized fan motor, weak battery/charging issues to prevent repeat failures. Fast Delivery. G8MS-1A41T-R 12V Relay 20A SPST-NO 4-Terminal Sealed Plug-in w/Resistor, Replacement Automotive Power for Cooling Fan/Glow Plug:: Specs function: automotive power relay, 12VDC coil, 1 Form A SPST-NO, rated load inrush up to 100A, coil resistance 100 ohm /-10%, service voltage range 10-15VDC; built-in suppression resistor; sealed/waterproof case harsh under-hood environments.

Do NOT rely on look-alike relays-different pints/ratings can cause no-start, fan not running, or blown fuses.

part #: g8ms1a41tr4891 prices

• $22.00-$86.23

specifications baterchar:

• brand: Rz
• mpn: G8ms-1a41t-r-489-1
• part type: Plug
• connector type: 4-terminal Plug-in
• contact type: Normally Open
• current rating: 20 Amps
• mounting type: Plug In Mount
• coil resistance: 100 Ohms
• coil voltage: 12 Volts
• maximum switching voltage: 15 Volts
• minimum switching voltage: 10 Volts

shipping baterchar:

• class: Expedited
• cost: $0.00
• type: Fixed
• service: Expedited
• transit: 3-8 Days

payments baterchar:

• credit card: Diners-club
• wallet: Paypal
• other

general baterchar:

• Consumer Electronics > Multipurpose Batteries Power > Battery Chargers
• condition: New

offer baterchar:

• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home
• started: April 8, 2026

returns baterchar:

• policy: No Returns

seller baterchar:

• # reviews: 3127
• city: Miami, Florida
• rating: 99.9%