The Hidden Risk in Your Substation:

Why Time Relays Are Quietly Becoming the Star of Global Power Projects

Field-Proven Insights from ODES – When Milliseconds Make Millions in Grid Reliability

⚡ Timing Isn’t Optional – It’s Mission-Critical

In high-voltage power automation projects, timing failures aren’t minor—they’re catastrophic.

When one relay mistimes:❌ Projects miss energization windows❌ Switchgear faces unexpected trips❌ Teams face costly site rework

At ODES, our STR Series Time Relays (covering power-on delay, power-off delay, and pulse extension) are engineered for harsh grid environments—because milliseconds matter.

🏗️ Why Siemens, State Grid, Schneider, and Others Trust ODES Time Relays

This isn’t theory. It’s field-proven reality.

✅ -25°C to +70°C Operating Range✅ Altitude tolerance up to 4500m✅ EMC Level IV Immunity (per EN61000-4-2 / 4-4 / 4-5)✅ IEC, CE, CQC Certified

Real Project References:

• Guojing Lucheng 220kV Substation

• Kashgar Siliyabu New Energy Substation

• Yongfeng Steel 220kV Upgrade

💥 3 Painful Real-World Cases: When the Wrong Time Relay Cost Millions

1️⃣ False FAT Trips from EMC Noise✔️ Fix: Upgrade to EMC Level IV STR-F1 (startup power >5W)

2️⃣ Missed Delay for Storage Motor Energization✔️ Fix: STR Series with anti-noise design

3️⃣ Wrong Time Setting During Commissioning✔️ Fix: WS Series with digital countdown display for on-site visibility

🔎 Beyond IEC Numbers: Why EMC Level IV Actually Matters

EMC Level IV =✔️ No false triggers during site voltage dips✔️ Immunity against cable surge noise✔️ Peace of mind for your site engineers

If your site involves long control cables, MV switchgear, or renewable grid interfaces, this level of protection isn’t optional.

📈 30,000 Units Delivered Annually.

8 Major Power Industry Customers.

1 Relentless Focus on Field Reliability.

Our customers include:🏆 NARI🏆 Siemens Shanghai🏆 TBEA Hunan🏆 Xuji Electric🏆 Siyuan Electric🏆 Schneider Hangzhou🏆 Taikai Electric

Annual Deployment: Over 30,000 units in grid and industrial projects globally.

✅ Before Your Next Tender, Ask Yourself:

❓ Is your current time relay EMC Level IV tested?❓ Has it been field-proven at actual 220kV and 110kV sites?❓ Can your supplier provide real-world application references—not just datasheets?