Can I use a smaller fuse?

Yes, you totally can. The overall load through the circuit should be about 80% of the rating of the fuse. Hope this helps.

is the fuse for output power to the accessory ?

The fuse is protecting the source voltage supply on the #30 terminal. In theory this also protests the accessory wired to the #87 terminal because if the source sees a spike and blows the fuse the output will not see any current. To be safe you can also fuse anything connected to the accessory side of the relay on the #87 terminal independently.

I have two 18w led aux lights hooked up to ome of these and its jimped into my parking lights. Why is ut buzzing?

The only thing i can think is the holding coil. Do the lights flicker

These relays have built -in peak suppression diode?

No, these relays do not have built in flyback diodes.

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ONLINE LED STOREOLS 6 Pack 30A Fuse Relay Switch Harness Set - 12V DC 4-Pin SPST Automotive Relays 14 AWG Hot Wires

ONLINE LED STOREOLS 6 Pack 30A Fuse Relay Switch Harness Set - 12V DC 4-Pin SPST Automotive Relays 14 AWG Hot Wires

4.7/5

Product ID: 318576443

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Details

Connector type
Plug-In
Contact material
Silver
Contact type
Normally Open
Current rating
30 Amps
Mounting type
Panel Mount

⚡30A high switching power

🔌Heavy-duty 14AWG wiring

🛡️Built-in 30A fuse protection

Description

⚡ Power your ride with pro-grade relays—because every connection counts!

ALL IN ONE SAFETY - Integrated fuse socket with included 30A blade fuse protects your system from overloads instantly.
COMPLETE 6 PACK SET - Get six relays, harnesses, and fuses—perfect for upgrading multiple circuits or future-proofing your ride.
PLUG PLAY PRECISION - Bosch-style 4-pin SPST relay design guarantees seamless compatibility and easy installation.
POWER UP WITH CONFIDENCE - 30A high switching capacity ensures your automotive circuits handle peak loads without a hitch.
DURABLE HEAVY DUTY WIRING - Premium 14AWG hot wires deliver reliable current flow and long-lasting performance under tough conditions.

The ONLINE LED STORE OLS 6 Pack Relay Harness Set features six Bosch-style 4-pin SPST automotive relays with built-in 30A fuse sockets and heavy-duty 14AWG wiring. Designed for 12V DC systems, each relay supports up to 30A switching capacity, ensuring robust and safe electrical performance. This all-inclusive set simplifies installation and safeguards your vehicle’s circuits with premium components.

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Manufacturer	OLS
Part number	PSZACCEPS179R
Item Weight	363 g
Product Dimensions	16.51 x 14.27 x 5.08 cm; 362.87 g
Item model number	PSZACCEPS179R
Size	reyyuk 8
Color	reyyuk 8
Item Package Quantity	6
Plug Profile	Panel Mount
Batteries Included?	No
Batteries Required?	No

ONLINE LED STOREOLS 6 Pack 30A Fuse Relay Switch Harness Set - 12V DC 4-Pin SPST Automotive Relays 14 AWG Hot Wires

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