7UG0712-1AA20 | Siemens 7UG0 Line Monitoring Relay, Self Powered, 3 Phase, 3 Wire 1 C/O, 154-500 V AC – Siemens
₹2,650.00 Original price was: ₹2,650.00.₹1,219.00Current price is: ₹1,219.00. Excl. GST
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Looking for the 7UG0712-1AA20 | Siemens 7UG0 Line Monitoring Relay, Self Powered, 3 Phase, 3 Wire 1 C/O, 154-500 V AC? This genuine Siemens relay is built for motor control and switching, combining proven reliability with full compliance to applicable IEC/IS standards. Key ratings include 154–500V AC. Order part number 7UG0712-1AA20 from myelectric.in — a trusted Siemens supplier offering competitive pricing, GST billing, and shipping across India and overseas.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 7UG0712-1AA20 |
| Category | Relay |
| Contact Configuration | 1 CO (Changeover) |
| Voltage Rating | 154–500V AC |
| Phase | 3 Phase (3Ø) |
| Rated Frequency | 50/60 Hz |
| Mounting | 35mm DIN rail or plug-in socket |
| Standard | IEC 60947-5-1 |
| Certifications | BIS certified, CE, cULus (select models) |
⚡ Key Features
- 1 CO (Changeover) contact arrangement — all contacts independently switchable up to the contact voltage rating.
- Manufactured to IEC 60947-5-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
- BIS certified, CE, cULus (select models) — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
- Genuine authorised Siemens product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
- GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
- Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.
❓ Frequently Asked Questions
Q: What does the 1 CO (Changeover) contact configuration on the 7UG0712-1AA20 mean?
A: CO (Change Over) contacts switch between two circuits — the common terminal connects to either NO or NC depending on the device state. Used for dual-purpose indication or reversing circuits.
Q: How do I test the 7UG0712-1AA20 relay in the field without a signal source?
A: Most Siemens relays can be manually forced using the test button (if fitted) — this mechanically closes the relay contacts without energising the coil, allowing functional testing of the controlled circuit. For coil testing, use a multimeter to measure coil resistance (typically 500–2000Ω for AC coils at rated voltage) and compare with datasheet values.
Q: Can the 7UG0712-1AA20 relay be mounted on a DIN rail socket for easy replacement?
A: This Siemens relay typically requires direct panel or DIN rail wiring. For applications requiring frequent relay replacement, consider the plug-in relay variant of this series with a matching socket base.












