Alarm Annunciators & Motor Protection Relays
Protech Marketing is an authorized distributor and trusted supplier of Proton Power Control industrial electronic systems, delivering industry-leading Alarm Annunciator Panels, Electronic Hooters, Motor Protection Units, and Monitoring Relays. Designed and manufactured in Pune, India for modern switchgear, control panels, power utilities, and industrial process automation, Proton products ensure absolute electrical reliability, early fault detection, and fail-safe motor protection.
Available Models & Industrial Series
Explore precision-engineered series manufactured to exact industry standards. Select any category below to view specific model specifications or request a quote.
Proton VMR-1P PR-15 Single Phase Voltage Monitoring Relay
Single Phase Under/Over Voltage Protection Relay with Adjustable Trip Voltage & Time Delays, DIN Rail
Proton VMR-3P PR-07 Three Phase Voltage Monitoring Relay
Microcontroller 3-Phase Relay Guarding Against Phase Loss, Phase Sequence Reversal & Voltage Asymmetry
Proton VFR-1P Single Phase Voltage & Frequency Relay
Precision Voltage and Frequency Monitoring Relay with Independent Trip Settability for DG Sets & Mains
Proton VFR-3P Three Phase Voltage & Frequency Relay
3-Phase Digital Monitoring Relay with Under/Over Frequency & Voltage Safeguards in 35mm DIN Enclosure
Proton PSR-3P Automatic 3-Phase Selector Relay
Automatic Phase Selection Unit Ensuring Continuous Single Phase Supply to Critical Control Gear from 3 Phases
Proton PCR-3P Automatic Phase Correction Relay
Phase Sequence Sense & Correction Relay with Internal Electrical Interlocking to Prevent Motor Direction Reversal
Proton PRO4-1D 4 Window Alarm Annunciator (Plastic Enclosure)
4 Window Microprocessor Annunciator in Compact Flame-Retardant ABS Enclosure, 96x96 mm DIN Cutout
Proton PRO6-1D 6 Window Alarm Annunciator (Plastic Enclosure)
6 Window Annunciator Panel with Super-Bright LED Windows, Field-Selectable Fault Sequences (ISA 18.1)
Proton PRO8-1D 8 Window Alarm Annunciator (Plastic Enclosure)
8 Window Modular Visual Alarm Panel in Moulded ABS Housing with Opto-Isolated Inputs & Test/Mute Buttons
Proton PRO12-2D 12 Window Alarm Annunciator (Plastic Enclosure)
12 Window Dual-Row Annunciator in Engineering Plastic Enclosure with Built-in SMPS & Dual Relay Outputs
Proton PRO16-2D 16 Window Alarm Annunciator (Plastic Enclosure)
16 Window High-Density Fault Alarm Annunciator Panel in Tough Molded Housing (144x144 mm DIN Standard)
Proton PRO24-3D 24 Window Alarm Annunciator (Plastic Enclosure)
24 Window Large-Capacity Visual Annunciator Panel with Multi-Channel Optical Isolation & Optional RS485 Modbus
Proton HTR-UN Universal Industrial Electronic Hooter
Solid-State Multi-Tone Industrial Hooter with Universal 90-270V AC/DC Auxiliary Supply, Up to 110 dB Sound Output
Proton HTR-W-O Window Fitting Audio Electronic Hooter
DIN Standard Window Mount Audio Annunciator Sounder for Direct Panel Integration with Selectable Alarm Tones
Proton PRO4-1D-H 4 Window Annunciator with Inbuilt Hooter
Integrated 4 Window Visual Annunciator with Internal Piezo Electronic Sounder in Single Compact ABS Unit
Proton PRO8-2D-H 8 Window Annunciator with Inbuilt Hooter
Dual Function 8 Window Annunciator Panel with Inbuilt High-Decibel Acoustic Sounder for Immediate Alerting
Proton MPU 3P Door Mounting Motor Protection Unit
Microprocessor 3-Phase Motor Protection Unit with Front Panel Door Mount, True RMS Current & Voltage Scanning
Proton MPU-DIN Rail Solid-State Motor Protection Relay
Compact DIN Rail Motor Safeguard with Overload, Single Phasing, Current Unbalance & Earth Leakage Trip
Proton MPC 8 Digital Motor Pump Protection Controller
Solid-State Motor & Submersible Pump Controller with LED Display, Auto-Restart & Comprehensive Dry-Run Protection
Proton MFM-31 Multi-Function Digital Power Meter
True RMS 3-Phase Power & Energy Meter, V, I, Hz, PF, kW, kVA, kWh Measurement with RS485 Modbus RTU
Proton Dual A.C. Sequential Controller & Timer
Cyclic Sequential Automation Controller for Dual Air Conditioners in Telecom Shelters, Server Rooms & Sub-stations
Proton TPI Digital Tap Position Indicator
Digital Transformer OLTC Tap Position Meter with Potentiometric / Resistance Inputs and Bright 2-Digit Display
Proton DPI Digital RPM & Line Frequency Indicator
High-Accuracy Digital Tachometer and Power Frequency Indicator for Industrial Switchgear & Control Panels
Reliable Alarm Annunciation & Intelligent Motor Protection by Proton
Protech Marketing partners with Proton Power Control Pvt. Ltd. to supply the complete industrial catalog of alarm annunciator panels, motor monitoring relays, electronic hooters, and digital panel instrumentation.
From microprocessor-based alarm annunciators in fire-retardant ABS enclosures to solid-state motor protection units and universal electronic hooters, Proton Power Control provides rugged, high-reliability instrumentation for mission-critical power and industrial facilities.
Proton Power Control Engineering & Technology Overview
Protech Marketing is an authorized dealer and supplier of Proton Power Control industrial electronics. With decades of manufacturing excellence in Pune, Proton is renowned for cutting-edge alarm annunciators (ranging from 1 to 64 windows), solid-state electronic hooters, voltage/frequency monitoring relays, and digital motor protection units designed for the most demanding electrical substation and automation environments.
- Complete product portfolio: Microprocessor Alarm Annunciator Panels, Electronic Hooters, Motor Protection Units, Voltage Monitoring Relays, and Multi-Function Meters.
- Rugged Flame-Retardant ABS Plastic Enclosures with standard 96x96 mm and 144x144 mm DIN panel cutouts.
- Optically isolated fault inputs with high noise immunity against severe electrical transients and electromagnetic interference.
- Field-programmable alarm sequences conforming to ISA-18.1 international standards (Auto / Manual / First-Out reset).
- Super-bright LED window illumination with long service life and dual potential-free relay contacts for external hooter and trip circuits.
- Integrated and standalone electronic hooters featuring universal 90-270V AC/DC auxiliary supply and high audio output up to 110 dB.
- Solid-state motor protection units safeguarding against single phasing, phase reversal, unbalance, overload, and dry running.
- 100% factory tested, serialized, and backed by comprehensive OEM manufacturer warranty.
Procurement, Support & Authorized Distribution
As an authorized distributor of industrial instrumentation and automation systems, Protech Marketing provides comprehensive technical consultation, 100% OEM warranty protection, spare parts availability, and expedited pan-India logistics. Explore our full Industrial Automation Products catalog, review our Proton Power Control Brand Solutions, or Contact our technical engineering team to request a quotation or customized architecture consultation today.
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