08045803208

GST : 27AABPJ8217B1Z4

Our Products

Minilec

Selec Process Instruments

PLA Products

Wago Products

Minilec Phase Failure Relays

Minilec Current Monitoring Relays

Minilec Voltage Monitoring Relays

Minilec Motor Protection Relay

Minilec Ground Fault Monitoring Relays

Minilec Frequency Monitoring Relays

Minilec Power Monitoring Relays

Minilec Voltage Scanners and Controllers

Minilec Motor Protection Relays

Minilec Microprocessor Pump Automation System

Minilec Temperature Protection Relay

Minilec Electronic Delay Timers

Minilec Liquid Level Controllers

Minilec Soft Starters

Minilec Alarm Annunciators

Minilec Agri Sector Products

Minilec Power Line Transducers

Minilec Frequency Monitoring Relays S2 FMR1

Minilec Frequency Monitoring Relays S2 FMR1 Specification

Power Consumption
< 2 VA

Coil Voltage
230V AC

Contact Material
Ag Alloy

Contact Resistance
< 100 m

Protect Feature
Over/Under Frequency Protection

Coil Power
1.2 VA

Dielectiric Strength
2 kV, 1 minute

Ambient Temperature
-10C to +55C

Contact Form
1 C/O (SPDT)

Working Temperature
-10C to +55C

Mechanical Life
>10 Million Operations

Product Type
Frequency Monitoring Relay

Insulation Resistance
> 100 M at 500V DC

Theory
Electromagnetic Relay

Usage
Frequency Monitoring

Contact Load
5A (AC1) 250V AC

Operate Time
< 300 ms

Terminal Type
Screw Terminals

Rated Voltage
230V AC (50/60Hz)

Supply Terminal
L-N

Size
Compact

Color
Light Grey

Dimension (L*W*H)
77 mm x 22.5 mm x 100 mm

Weight
Approx. 150 g

USB Ports
2

Sleep Timer
Yes

Viewing Angle
178

Remote Battery Type
AAA

Refresh Rate
60 Hz

Smart TV Features
Built-in WiFi, Screen Mirroring

Operating System
Android

About Minilec Frequency Monitoring Relays S2 FMR1

Minilec Frequency Monitoring Relays

OVERVIEW:-

Single phase under & over frequency,

Microcontroller based design, SMD technology,

Auto reset, Adjustable under/over frequency trip settings,

Adjustable trip delay & ON delay,

2 CO output relay Failsafe-non-failsafe mode selectable

TECHNICAL SPECIFICATION:-

Supply Voltage

	System	:	100-120/220-240/380-440 V AC ± 20%, 38-72 Hz
	Auxillary	:	In Built

Ext. Input

---

Output Contacts

1 CO + 1 CO

Trip Setting

Under Frequency	:	40 Hz - 60 Hz (Variable)
Over Frequency	:	50 Hz - 70 Hz (Variable)
Reverse Power	:	---

Power On Delay

1 - 10 Sec.(Adjustable) ± 1 Sec.

Trip Time Delay

1 - 10 Sec.(Adjustable) ± 1 Sec.

Resetting

Auto / Manual

Weight

130 gms.(Approx)

Dimensions (mm)

	Overall (L x W x D)	:	90 X 35 X 60
	Mounting (L x W)	:	35 mm Rail Mounting

Note:

Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

APPLICATION:-

	Generator panels.
	AMF Panels.
	Power Distribution Panel.
	Induction heater control panels.
	Server Room.

Advanced Frequency Monitoring

Monitor electrical frequencies with confidence using the S2 FMR1 relay, which features a wide adjustable range and swift response time under 300 ms. Meeting high accuracy levels, its ideal for applications requiring stable frequency control in power distribution and automation setups.

Durable and Reliable Design

This relay boasts a mechanical life exceeding 10 million operations and superior insulation resistance. Its robust build is complemented by IP20 enclosure protection and a compact form factor, ensuring long-term reliability even in challenging environments with up to 95% humidity.

Effortless Installation and Operation

Designed for 35mm DIN rail mounting, the S2 FMR1 is simple to integrate with existing systems. LED indicators offer clear visual status updates. The automatic reset function minimizes downtime, ensuring seamless operation and immediate correction of frequency anomalies.

FAQs of Minilec Frequency Monitoring Relays S2 FMR1:

Q: How does the Minilec S2 FMR1 frequency monitoring relay help in protecting electrical systems?

A: The S2 FMR1 relay safeguards equipment by continuously monitoring the system frequency within an adjustable range of 40 to 60 Hz. If the frequency falls outside preset limits, it triggers protection mechanisms to prevent damage, automatically resetting once conditions normalize.

Q: What installation process is required for the S2 FMR1 relay?

A: Installation is straightforward: simply mount the relay on a standard 35mm DIN rail and connect supply terminals (L-N) using screw-type terminals. Its compact design and clear wiring instructions streamline the setup in control panels, distribution boards, and industrial enclosures.

Q: Where can the Minilec S2 FMR1 relay be used effectively?

A: This frequency monitoring relay is ideal for use in power distribution systems, automation panels, industrial equipment, and generator protection circuits. Its compliance with EN 60255 standards makes it suitable for both commercial and industrial environments across India.

Q: What are the benefits of LED indication on the S2 FMR1 relay?

A: LED indicators display the relays operational status and power-on condition at a glance, allowing quick diagnostics and minimizing troubleshooting time for maintenance personnel, thus enhancing overall system monitoring efficiency.

Q: When does the automatic reset function activate, and how does it benefit system operation?

A: The automatic reset function activates once frequency returns to the set range, enabling the relay to restore normal operation without manual intervention. This reduces downtime and maintains system continuity during transient frequency fluctuations.

Q: What conditions must be met for optimal performance of the S2 FMR1 relay?

A: For best performance, the relay should be operated in environments with ambient temperatures between -10C and +55C, and humidity up to 95% RH (non-condensing). Proper insulation and connection to a 230V AC supply are also necessary.

Get Latest Price