AVR Automatic Voltage Controller

🚨 SPECIAL PRICE VALID UNTIL 19 JAN 2026 🚨

MX341B Three Phase Automatic Voltage Regulator

Description: MX341B is a three phase-controlled type Automatic Voltage Regulator (AVR) and forms part of the excitation system for a brush-less generator.

Key Features:

  • Applicable for separated excited alternator, brushless generator with frequency of 50Hz or 60Hz
  • Can be used in parallel operation
  • Under Frequency Roll Off Protection
  • With Under Frequency Indication
  • Over Excitation Protection

Technical Parameters:

Power Input:

  • Voltage: 140-220VAC
  • Current: 3A/Phase
  • Frequency: 100-120Hz (nominal)

Sensing Input:

  • Voltage: 170-260VAC or 340-520VAC (Jumper Selectable)
  • Frequency: 50-60Hz (Jumper Selectable)

Output:

  • Voltage: Max. 120VDC
  • Current: 4A consecutive current output
  • 6A instant current for 10 sec.
  • Excitation Resistance Min. 15Ω

Under Frequency Protection (UFRO):

  • Set 95%Hz (By factory)
  • Slop 100-300% down to 30Hz
  • Adjusted Rate ±1% (with 4% engine governing)
 MX341B AVR Automatic Voltage Regulator - 3 Phase
MX341B 3-PHASE AVR PRICE:
R1500
+ VAT
✓ In Stock

📞 Contact for Orders:

Email: icm@lantic.net

Directions: Search for "ICM Industries" on Google Maps

SX460 Stamford Automatic Voltage Regulator

Specifications:

  • Input voltage is between 95 and 135 Volts ac or 190 to 264 Volts ac
  • Frequency is 50 or 60 Hertz nominal
  • Single phase
  • Output voltage is a maximum of 90 Volts dc at 207 Volt ac input
  • Current is a continuous 4 Amps dc with intermittent 6 Amps for 10 seconds
  • Resistance is 15 Ohms minimum
  • Unit power dissipation is 10 Watts minimum
  • Operating temperature is between -40 degrees Celsius up to 70 degrees Celsius
Electric Alternator for Generators

Permanent Magnet Alternators

Complete alternators for generator systems

 SX460 Stamford Automatic Voltage Regulator - Single Phase
SX460 SINGLE-PHASE AVR PRICE:
R995
+ VAT
✓ In Stock
Contact Information - ICM Industries

Address:
7 of 73 Capital Hill Park,
Capital Hill Commercial Estate,
395 Le Roux Street, Midrand,
Gauteng, South Africa

Telephone:
011-312 3393 or 060 610 7549

Email:
icm@lantic.net

Website:
http://www.icmsa.co.za

Business Hours:
Monday-Friday: 8:00 AM - 5:00 PM
Saturday: 9:00 AM - 1:00 PM

⚠️ Important Notice: These AVR units are specifically designed for brushless generator systems. Please ensure compatibility with your alternator model before ordering. Technical specifications subject to verification.

ICM Industries • Generator Parts & Electrical Components • Suppliers Across South Africa
AVR Specialists • Alternator Components • Generator Maintenance Parts