MPR-341-2 | digital Motor protection relay – Selec

Name: Selec MPR-341-2 Digital Motor Protection Relay
Brand: Selec
SKU: MPR-341-2
Price: 1482.00 INR
Availability: InStock

SKU: MPR-341-2

Original price was: ₹2,964.00.Current price is: ₹1,482.00. Excl. GST

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Sourced through authorised channels, the Selec MPR-341-2 overload relay delivers dependable performance for motor control and switching. myelectric.in stocks the MPR-341-2 | digital Motor protection relay for contractors, panel builders, and project buyers — buy online with GST invoice, or request a bulk quote for domestic supply and export to UAE, Singapore, UK, USA, Sri Lanka and more.

📋 Technical Specifications

Parameter	Value
Brand	Selec
Part Number / SKU	MPR-341-2
Category	Overload Relay
Phase-Loss Sensitivity	Yes — differential bimetal mechanism
Reset Mode	Manual / Automatic (selectable)
Auxiliary Contacts	1 NO + 1 NC
Mounting	Direct mounting on matching contactor
Rated Frequency	50/60 Hz
Standard	IEC 60947-4-1 / IS 13947-4-1
Certifications	CE marked, Made in India

⚡ Key Features

Bimetal thermal element with phase-loss sensitivity — independently monitors each phase; trips if any phase carries more than ~115% of the set current, or on complete phase failure.
Normally open (NO) and normally closed (NC) auxiliary contacts built in — NO contact wired to motor run indicator; NC contact wired to PLC fault input or motor starter stop circuit.
Manufactured to IEC 60947-4-1 / IS 13947-4-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
CE marked, Made in India — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Selec 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: How do I set the MPR-341-2 to protect a motor without causing nuisance trips on starting?

A: Set the thermal overload dial to the motor’s nameplate full-load current (FLC). For star-delta starters, set the overload relay to 58% of motor FLC (line current in delta = FLC × 0.58). Allow 10 trips for the relay’s thermal memory to stabilise before adjusting the setting.

Q: Does the MPR-341-2 provide single-phase (phase loss) protection?

A: Selec thermal overload relays include single-phase sensitivity: if one phase is lost, the remaining phases carry higher current, causing the bimetal to heat and trip within the specified time. For critical motors, add a dedicated phase-loss relay for faster response independent of load — overload relay phase-loss protection is load-dependent and may take minutes to trip at light load.

Q: What is the difference between an Overload Relay and a standard MCB — and why use the MPR-341-2?

A: A standard MCB protects against overload and short-circuit only. An Overload Relay provides thermal overload protection calibrated to motor FLC, protecting the motor from sustained overloads that would destroy windings before a standard MCB trips. Choose the MPR-341-2 when the application specifically requires overload relay characteristics.