01What is an alarm unit and where is it used?
An introduction to alarm units, status and fault annunciation, and their use in power plants, substations and industrial monitoring systems.
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Minister of Energy Visits Niroo Research Institute
With the presence of Rizmoj Electric Toos Knowledge-Based Company Button Text: Read More
About us
Rizmooj Electric Toos (Knowledge-Based Company)
Rizmooj Electric Toos started its activity in designing and producing protection, control, automation and measurement equipment since 2014.
Protection Equipment
Control Systems
Measurement Tools
Industrial Automation
Technical reading
RIZMOOJ / KNOWLEDGEFrom the Rizmooj Knowledge Base
01
02What is an industrial semaphore?
How industrial position indicators show open, closed and fault states in control systems and electrical substations.
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03What is a tap position indicator?
An introduction to tap position indicators for displaying and monitoring transformer tap position in power and control systems.
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Alarm units and event recorders, test switches and test blocks, LED position indicators, tap position indicators and industrial power supplies — open each product page for full specifications.
Browse the full product cataloguePosition Indicator
CPS-501LE Square Position Indicator
Four-state LED circuit-breaker position indicator for industrial switchboards.
Alarm Units
AMA520 20-Input Alarm Unit
20-input alarm unit with RS485 communication for RTU integration.
Tap Position Indicator
MTI500 Tap Position Indicator
The MTI500 Tap Position Indicator is a precise device for displaying the transformer tap position in both graphical and numerical formats. It features a 2.8-inch color touch LCD, a three-wire input, and a high-accuracy 4~20 mA analog output. With its standard 96×96×90 mm dimensions, it can be flush-mounted on control panels.
Test Switch
Test Switch (Switch-Type Test Block)
The Test Switch, also known as a Switch-Type Test Plug, is a practical device used for testing, isolating, and checking protection, control, and measurement circuits in electrical panels. It enables periodic testing and troubleshooting without the need to fully disconnect the circuit, helping improve safety, speed, and accuracy during operation and maintenance.
Alarm Units
AMA500 Alarm Unit
The AMA500 Alarm Unit is an advanced device designed for displaying, recording, and managing alarms in industrial systems and electrical substations. With a high number of inputs, an 8-inch color touch LCD, 1 ms event recording accuracy, and support for MODBUS and IEC60870-5-101 protocols, it enables accurate and fast monitoring of equipment status.
Alarm Units
AMA-535 35-Window Alarm Annunciator
Window-type alarm annunciator for centralized, rapid indication of alarm states in industrial control panels.
Alarm Units
AMA500 Industrial Alarm Unit
Industrial alarm unit supporting up to 160 inputs with an 8-inch color touch display.
Alarm Units
AMA508 Alarm Unit
Compact alarm unit in a standard 96×96 mm enclosure for flush panel mounting.
Alarm Units
AMA524 Smart Alarm Unit
Smart alarm unit with 24 configurable inputs and RS485 communication.
Position Indicator
EPC-501LE Round Position Indicator
Four-state round LED position indicator for industrial switchboards.
Position Indicator
EPS-501LE Square Position Indicator
Four-state square LED position indicator for industrial switchboards.
Position Indicator
TPC-501LE Round Position Indicator
Four-state round LED power-circuit position indicator.
Position Indicator
TPS-501LE Square Position Indicator
Four-state square LED power-circuit position indicator.
Power Supplies
Industrial Switching Power Supply
Switching power supply for industrial control and automation equipment.
Power Supplies
Switching Power Supply for Protection Relays
Switching power supply for protection relays and protective circuits.
Power Supplies
Modular Rack-Mount Power Supply
Modular power supply for industrial control and automation racks.
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News
Rizmoj Electric Toos Attends the Minister of Energy’s Visit to Niroo Research Institute
During the visit of the honorable Minister of Energy to Niroo Research Institute, a group of managers, specialists, and professionals from the power and energy industry attended the event and reviewed the institute’s technological capabilities and achievements.
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New Series of Rizmoj Electric Toos Protection Relays Delivered to Industrial Projects
A new series of Rizmoj Electric Toos protection relays and measuring devices has passed functional testing and has been delivered for installation in industrial switchboards.
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Rizmoj Electric Toos at the Tehran International Electricity Industry Exhibition
Rizmoj Electric Toos presented its locally manufactured protection relays, phase control units and measuring instruments at the Tehran International Electricity Industry Exhibition.
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Rizmoj Electric Toos Expands Its Production Line at the Niroo Research Institute Growth Centre
By expanding its workshop and test laboratory at the Niroo Research Institute Growth Centre, Rizmoj Electric Toos has increased production capacity and testing quality.
Read more →Our clients
Guilan Regional Electric Company
Mazandaran Regional Electric Company
Khorasan Regional Electric Company
Khuzestan Power Distribution Company
Fanavaran Energy Toos
Folman Co.
Parsian Co.
Poshtiban Sanaye Co.
Regional Electricity Company of Sistan and Baluchestan
Zangan Pars Co.Guilan Regional Electric CompanyMazandaran Regional Electric CompanyKhorasan Regional Electric CompanyKhuzestan Power Distribution CompanyFanavaran Energy ToosFolman Co.Parsian Co.Poshtiban Sanaye Co.Regional Electricity Company of Sistan and BaluchestanZangan Pars Co.