ABB N31E Contact Relay – Frequently Asked Questions (FAQs)

If you’re working in industrial automation or panel building, chances are you’ve encountered or considered the ABB N31E contactor relay. At Shansen Enterprises, we get daily queries about this model – from specs to installation. So, here’s a comprehensive FAQ blog post to clear all your doubts!

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❓ What is the ABB N31E Contact Relay used for?

The ABB N31E is a 4-pole auxiliary contactor relay primarily used for switching auxiliary and control circuits. It ensures safe and reliable control signal switching in panels, machinery, and automation systems.

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⚡ What is the rated control voltage of the N31E?

It supports:

• 220-230V AC at 50Hz
• 230-240V AC at 60Hz

This makes it suitable for a wide range of power supply standards across industries.

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🔁 How many auxiliary contacts does the N31E have?

The N31E includes:

• 3 Normally Open (NO) contacts
• 1 Normally Closed (NC) contact

These are mechanically linked for safety-critical applications.

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🌀 What is the switching frequency of the ABB N31E?

The maximum mechanical switching frequency is 6000 cycles per hour, which supports fast, repetitive switching without mechanical wear.

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🧊 What’s the ambient operating temperature range?

The N31E performs reliably in tough conditions:

• Operation: -40°C to +70°C
• Storage: -60°C to +80°C

Ideal for both indoor and outdoor electrical panels.

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🔌 What type of terminals does it have?

It comes with screw terminals, making it easy to install securely in various mounting configurations.

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📦 What’s included in the package?

A standard box includes:

• 1 x ABB N31E contactor relay
• Instruction leaflet (if included by manufacturer)
• ABB branding and label on packaging

All products from Shansen Enterprises are factory-sealed and 100% genuine.

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📐 What are the dimensions and weight?

• Width: 78 mm
• Length: 79 mm
• Height: 47 mm
• Gross Weight: 0.34 kg

Compact enough to fit easily into MCC panels and distribution boards.

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🔧 Is this compatible with other ABB accessories?

Yes, the N31E is part of the Auxiliary Contactors range and is compatible with a wide array of ABB accessories for enhanced functionality and flexibility.

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🌐 Is it compliant with global standards?

Absolutely. It complies with:

• IEC 60947-5-1
• UL/CSA standards
• CE and UKCA certifications

You’re covered whether your project is in India, the Middle East, Europe, or North America.

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🔍 What’s the insulation and operational voltage?

• Rated Insulation Voltage (Ui): 690V (IEC), 600V (UL/CSA)
• Rated Operational Voltage: 690V

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🛒 Where can I buy the ABB N31E contactor relay?

You can purchase or request a quote directly via WhatsApp through Shansen Enterprises, an Authorized ABB Channel Partner. We ensure full support, fast response, and 100% authentic ABB products.

📲 Click here to WhatsApp us for a quick quote!

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📥 Can I get a datasheet?

Yes! Reach out to us via WhatsApp, and we’ll instantly share the official ABB datasheet in PDF format.

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💼 Why Choose Shansen Enterprises?

We’re not just sellers – we’re ABB Certified Partners. With real-time support, bulk availability, and application guidance, we help OEMs, contractors, and panel builders choose the right solution for their needs.

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🔚 Final Thoughts

The ABB N31E is a robust, high-frequency, industrial-grade relay built to last. If you’re looking for reliable operation, compact design, and wide compatibility, this model checks every box.

Still have questions? Just drop us a message. We’re here to help you connect smarter ⚙️

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