3RV2041-4RA10 | MPCB 65 – 84 A, Standard Release, O/L & S/C – Siemens

Name: Siemens 3RV2041-4RA10 MPCB | 65-84A Motor Protector
Brand: Siemens
SKU: 3RV2041-4RA10
Price: 18583.40 INR
Availability: InStock

SKU: 3RV2041-4RA10

Original price was: ₹42,235.00.Current price is: ₹18,583.40. Excl. GST

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📋 Technical Specifications

Parameter	Value
Brand	Siemens
Part Number / SKU	3RV2041-4RA10
Category	Motor Protection Circuit Breaker (MPCB)
Series / Model	3RV
Current Rating	65–84 A
Standard	IEC 60947-4-1, IEC 60947-2
Certifications	BIS certified, CE, cULus (select models)

⚡ Key Features

Continuously adjustable current range 65–84 A — dial to the motor’s exact nameplate full-load current (FLC) for optimum overload protection without nuisance tripping.
Combined thermal and magnetic protection in one device — single MPCB replaces a separate motor-rated MCB plus thermal overload relay, saving DIN rail space and inter-device wiring.
Phase-loss and phase-unbalance detection — trips within seconds of a phase failure, protecting the motor from the severe overheating that single-phasing causes within minutes.
Manual reset only — operator must acknowledge and reset the MPCB after a trip, preventing automatic restart that could damage the motor or driven machinery.
Manufactured to IEC 60947-4-1 and IEC 60947-2 — 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: How do I set the 65–84 A adjustable range on the 3RV2041-4RA10 for my motor?

A: Turn the setting dial to the motor’s nameplate full-load current (FLC) — the FLC must fall within the 65–84 A range of this device. Setting it at the motor FLC (not the maximum of the range) gives correct overload trip timing while still riding through normal starting inrush. If the motor FLC is outside this range, select the adjacent rating in the same series.

Q: Can the 3RV2041-4RA10 replace a contactor + overload relay combination in a motor circuit?

A: The 3RV2041-4RA10 provides motor short-circuit protection and overload protection in one device — but it cannot make/break motor current under normal operational switching (that is the contactor’s role). For motor starters requiring on/off switching, the 3RV2041-4RA10 is used as the upstream protection device with a contactor for switching. Some MPCB series include a direct handle for manual starting of small motors without a separate contactor.

Q: What is the trip class of the 3RV2041-4RA10 and what motor starting time does it allow?

A: MPCBs are typically rated Class 10 (trips in ≤10 seconds at 7.2× setting current), suitable for normal motors with DOL starting times up to 10 seconds. Heavy-duty motors (large fans, centrifuges, compressors) with longer starting times may need Class 20 or Class 30 protection — check the starting time against the motor’s speed-torque curve and select accordingly.

Q: Which Siemens accessories are compatible with the 3RV2041-4RA10?

A: The Siemens 3RV series supports snap-on accessories including auxiliary contacts (OF), alarm contacts (SD), shunt trip coils (MX), undervoltage releases (MN), and comb busbars. Accessories are series-specific — always verify compatibility using the Siemens product catalogue before ordering. myelectric.in can advise on the correct accessory part numbers for the 3RV2041-4RA10.

Q: What is the difference between a Motor Protection Circuit Breaker (MPCB) and a standard MCB — and why use the 3RV2041-4RA10?

A: A standard MCB protects against overload and short-circuit only. A Motor Protection Circuit Breaker (MPCB) adds adjustable thermal overload matched to motor FLC, Class 10/20 trip curves for motor starting inrush, and phase-loss sensitivity — making it the correct device for motor branch circuits where a standard MCB would either nuisance-trip on motor starting or fail to protect adequately against slow overloads. Choose the 3RV2041-4RA10 when the application specifically requires motor protection circuit breaker (mpcb) characteristics.