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Custom Intermediate Relay Solution LL3C-L 10A 3PDT PCB Socket Flange Mount Design Support for Industrial Automation

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Shenzhen Rocfly Blue Electronic Co., Ltd.

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Custom Intermediate Relay Solution LL3C-L 10A 3PDT PCB Socket Flange Mount Design Support for Industrial Automation

Name: Custom Intermediate Relay Solution LL3CL 10A 3PDT PCB Socket Flange Mount Design Support for Industrial Automation
Brand: Rocfly
Price: 1 USD

Quality Custom Intermediate Relay Solution LL3C-L 10A 3PDT PCB Socket Flange Mount Design Support for Industrial Automation for sale

Mechanical Life : 10,000,000 Operations Min

Application : Industrial Automation, PLC Interface, Motor Control, Signal Isolation, Power Distribution

Certification : ISO 9001:2015, CE, RoHS, UL Recognized

Payment Terms : T/T,L/C,PayPal

Contact Configuration : 3PDT (3 Pole Double Throw)

Supply Ability : 200000 Pieces per Month

Mounting Type : PCB, Socket, Flange Mount

Electrical Life : 100,000 Operations at Rated Load

Brand Name : Rocfly

Options : Indicator Light, Freewheeling Diode, Surge Suppression

Customization Service : Coil Voltage, Contact Material, Pin Layout, Terminal Type, Label Printing, Performance Optimization, Cost Reduction Engineering

Features : Ultra Small Size, Light Weight, High Sensitivity, Long Service Life

Packaging Details : Anti-static tray, individual carton, export-grade corrugated master carton, custom labeling available

Contact Rating : 10A at 250VAC / 28VDC

Place of Origin : Guangdong, China

Delivery Time : 5-7 working days for samples, 15-25 days for mass production

Coil Voltage : 5V, 12V, 24V, 48V, 110V, 220V DC/AC (Custom)

Operating Temperature : -40°C to +70°C

Model Number : LL3C-L-10A

Model : LL3C-L (ROC Series)

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Custom Intermediate Relay Solution — LL3C-L Series

We do more than supply relays. We engineer relay solutions around your application requirements — custom coil voltage, tailored contact configuration, optimized mounting interface, and integrated protection features. From component selection to system-level optimization, our engineering team partners with you to improve both performance and cost efficiency.

LL3C-L Base Specifications

Parameter	Specification
Model	LL3C-L (ROC Series)
Contact Configuration	3PDT — 3 sets of changeover contacts
Contact Rating	10A at 250VAC / 28VDC
Coil Voltage Options	5V, 12V, 24V, 48V, 110V, 220V DC/AC — Custom voltages available
Mounting Type	PCB layout, DIN socket, flange mount — user-selectable
Key Features	Ultra-small footprint, lightweight, high sensitivity, long mechanical life
Optional Add-ons	LED indicator, freewheeling diode, surge suppression
Mechanical / Electrical Life	10M / 100K operations (rated load)

Beyond Standard Relay Supply

Custom Relay Design — We tailor coil voltage, contact material (AgCdO, AgSnO2, AgNi), terminal type, pin layout, and packaging to your exact specification. Not a single parameter is off-limits. Custom silk-screen labeling and OEM branding supported.
Solution-Level Engineering — Our applications team works with your R&D to integrate the relay into your product — PCB footprint optimization, coil drive circuit review, surge protection strategy, and thermal derating analysis. We deliver a validated relay subsystem, not just a component.
Performance Optimization — Contact material upgrade for higher inrush current, sealed construction for harsh environments, gold-flash contacts for low-level signal switching. We identify the right configuration to extend relay life and improve reliability in your specific use case.
Cost Optimization — Alternative pin-compatible designs, domestic coil substitution, value-engineered contact material, and volume-based connector/terminal consolidation. Our procurement and engineering teams collaborate to reduce BOM cost without compromising performance.

Typical Applications

Application	Relay Function
PLC / Industrial Controller	Interface between low-power control signals and high-power output devices
Motor Control Panel	Start/stop logic, forward/reverse interlocking, overload protection signal
Signal Isolation	Galvanic isolation between control and power circuits, noise suppression
Power Distribution	Multi-circuit switching, load shedding, redundant power path selection
HVAC / Building Automation	Compressor, fan, and heater control with auxiliary status feedback

Whether you need a drop-in replacement with a custom coil voltage or a complete relay subsystem validated for your industrial product — we deliver engineering, not just components. Contact us with your relay requirements for a technical proposal within 48 hours.

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