3UG46152CR20 | !!! product phaseout !!! the preferred successor is 3UG56162CR20 phase failure and sequence monitoring 3x 160690 V, springloaded terminal digital monitoring relay for 3phase line voltage connectable phase sequence phase failure 3 x 160 to 690 V 50 to 60 Hz AC undervoltage and overvoltage 160690 V hysteresis 120 V 020 s each for Umin and Umax 1 CO contact for Umin 1 CO contact for Umax springloaded connection system Siemens
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The Siemens 3UG46152CR20 is a relay, engineered for motor control and switching in demanding Indian and international installations. Key ratings include 160–690V AC. Buy the 3UG46152CR20 | !!! product phaseout !!! the preferred successor is 3UG56162CR20 phase failure and sequence monitoring 3x 160690 V, springloaded terminal digital monitoring relay for 3phase line voltage connectable phase sequence phase failure 3 x 160 to 690 V 50 to 60 Hz AC undervoltage and overvoltage 160690 V hysteresis 120 V 020 s each for Umin and Umax 1 CO contact for Umin 1 CO contact for Umax springloaded connection system Siemens online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | Siemens |
| Part Number / SKU | 3UG46152CR20 |
| Category | Relay |
| Contact Configuration | 1 CO (Changeover) |
| Voltage Rating | 160–690V AC |
| Phase | 3 Phase (3Ø) |
| Frequency | 60 Hz |
| 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 3UG46152CR20 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 3UG46152CR20 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 3UG46152CR20 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.













