Auxiliary Contact Block

As a core component for industrial automation, the Auxiliary Contact Block is engineered to expand the control capabilities of standard AC contactors. By providing additional signaling and interlocking paths, these blocks allow for complex logic in motor control and power distribution without the need for additional bulky hardware. Yijia Industrial Electrical Co., Ltd. leverages years of pioneering production experience to ensure that each Auxiliary Contact Block meets the rigorous demands of the international power electronics market.

Technical Specifications

The following table outlines the mechanical and electrical parameters for our standard Auxiliary Contact Block series.

Functional Value and Core Features

The Yijia Auxiliary Contact Block is not just an accessory; it is a critical link in electrical safety and automation.

• Synchronized Logic: Operates in perfect synchronization with the AC contactor coil to provide real-time feedback.
• High Conductivity: Utilizing silver alloy contacts, the Auxiliary Contact Block ensures minimal resistance and prevents oxidation over long-term use.
• Modular Integration: Designed for tool-free installation, snapping directly onto Yijia or compatible third-party AC contactor units.
• Durability: The robust housing is made from flame-retardant engineering plastics, capable of withstanding high-vibration industrial environments.

Manufacturing Excellence and Supply

Yijia Industrial Electrical Co., Ltd. operates a large-scale professional enterprise in China, focusing on independent research and development. Our production advantages include:

1. Quality Control: We have passed the ISO9001 international quality management system, ensuring every Auxiliary Contact Block is tested for continuity and mechanical snap-action before shipping.
2. OEM/ODM Flexibility: We support full customization, including custom contact structures and shell materials to meet specific market demands.
3. Modern Facilities: Our factory utilizes advanced equipment for high-precision molding and automated assembly, maintaining a balance of high quality and competitive pricing.

Diverse Application Fields

The versatility of the Yijia Auxiliary Contact Block makes it a staple in several sectors:

• Industrial Control: Used in control cabinets and distribution boxes for motor interlocking.
• Status Indication: Connecting to signal lamps or buzzers to show the "Run/Stop" status of machinery.
• Sequence Control: Linking multiple AC contactors or relays to ensure precise start-up sequences in HVAC and conveyor systems.

Procurement and Service Flow

To ensure a smooth experience for global buyers, Yijia follows a structured service protocol:

1. Inquiry and Selection
If you are unsure which Auxiliary Contact Block fits your AC contactor , provide us with your load current, contact structure (NO/NC), and mounting requirements.

2. Sample Testing
We offer free samples for professional buyers to verify the compatibility and durability of our Auxiliary Contact Block in their specific application.

3. Production and Delivery
Once the order is confirmed, our lean manufacturing process ensures rapid turnaround times, with all products carrying CCC and CE markings for easy customs clearance.

4. Post-Purchase Support
Our technical team provides wiring diagrams and installation guidance to ensure your systems remain operational 24/7.

Frequently Asked Questions (FAQ)

Q: Can your Auxiliary Contact Block fit other brands of AC contactors?
A: Our blocks are designed based on international standard dimensions. While optimized for Yijia products, they are compatible with many standard modular industrial contactors. Please send us your contactor model for a compatibility check.

Q: What is the benefit of the silver alloy contacts?
A: Silver alloy provides superior electrical conductivity and heat resistance compared to copper, which significantly extends the electrical life of the Auxiliary Contact Block under frequent switching loads.

Q: Do you provide other accessories?
A: Yes, Yijia produces a full range of push button switches , signal lamps , limit switches , and relays to provide a complete industrial control solution.

Features & Benefits

● Silver alloy contacts

● Auxiliary contacts

● Compact design

● High-quality plastic

● CCC,CE

● Support to button switch OEM/ODM

● Offer quality and low price product

How to select the appropriate type of metal push button

Please answer the following question, and send it to us, we will select the appropriate type for you.

Question&Example

① the dimensions of push button to install: 16mm.

② the load current you need to control: 5A.

③ the type of head part: plat head without light.

④ choose the contact structure: 1NO1NC/2NO2NC

⑤ Operation mode: Momentary or Latching.

⑥ LED volt and color(if need led): DC 24V GREEN.

⑦ choose the materials of shell: Stainless steel or Brass clad chromium.

⑧ special request: waterproof, Custom symbol, need socket...