7UG0861-1BU20 | Siemens Digital Earth Fault Monitoring Relay 85 – 270 V AC/DC, 2C/O – Siemens

Name: 7UG0861-1BU20 | Siemens Digital Earth Fault Monitoring Relay 85 - 270 V AC/DC, 2C/O - Siemens - myelectric.in
Brand: Siemens
SKU: 7UG0861-1BU20
Price: 4487.30 INR
Availability: InStock

SKU: 7UG0861-1BU20

Original price was: ₹9,755.00.Current price is: ₹4,487.30. Excl. GST

In stock

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Looking for the 7UG0861-1BU20 | Siemens Digital Earth Fault Monitoring Relay 85 – 270 V AC/DC, 2C/O? 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 85–270V AC. Order part number 7UG0861-1BU20 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	7UG0861-1BU20
Category	Relay
Contact Configuration	2 CO (Changeover)
Voltage Rating	85–270V AC
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

2 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 2 CO (Changeover) contact configuration on the 7UG0861-1BU20 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 7UG0861-1BU20 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 7UG0861-1BU20 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.