frequency control relay RM35-HZ - range 40..70 Hz

RM35HZ21FM
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Description

This Harmony RM35-HZ control relay allows monitoring of frequency control. This modular control relay is ideal for monitoring of frequency variations in electrical power sources such as wind turbine and micro-power stations. It has one of market medium form-factors with 35mm width, allowing for a flexible and easy installation on DIN rail, using the same space as any modular 3-pole DIN device. It also offers a selectable memory function, integral LED for indicating control status, sealable cover, with simple and precise settings with screw trimmers. It provides an automatic detection of abnormal electrical values before they incur serious damage to machinery thus reducing your maintenance and downtime costs. Multi function controller for wide choice selected in hard-wired logic automated systems, ideal for refurbishment of old installations without using a PLC. 0 0 0 0 0 0 0 0 0 0 0 0 0

Product Details

[in] Rated Current 5 A
[uc] Control Circuit Voltage 120...277 V
[ui] Rated Insulation Voltage 400 V conforming to IEC 60664-1
[us] Rated Supply Voltage 120...277 V AC
Ambient Air Temperature for Operation -20-50 °C
Ambient Air Temperature for Storage -40-70 °C
Compatibility Code RM3
Contacts Type and Composition 2 C/O
Electrical Durability 100000 cycles
Electromagnetic Compatibility emission standard for industrial environments conforming to EN/IEC 61000-6-4
Hysteresis 0.3-0.3 % fixed
Ip Degree of Protection IP20 (terminals) conforming to IEC 60529
Marking CE : 73/23/EEC
Maximum Power Consumption in Va 6 VA AC
Mechanical Durability 30000000 cycles
Mounting Support 35 mm symmetrical DIN rail conforming to EN/IEC 60715
Operating Position any position without derating
Overvoltage Category III conforming to IEC 60664-1
Pollution Degree 3 conforming to IEC 60664-1
Product Certifications GL
Product or Component Type frequency control relay
Range of Product Harmony Control Relays
Relative Humidity 95-95 % at 55-55 °C conforming to IEC 60068-2-30
Standards IEC 60255-6
Tightening Torque 0.6-1 N.m conforming to IEC 60947-1
Utilisation Category AC-12 conforming to IEC 60947-5-1
Width 35 mm
Connections - Terminals screw connectors
Contacts Material cadmium free
Control Circuit Frequency 40...70 Hz
Control Circuit Voltage Limits - 15 % + 10 % Un
Dielectric Test Voltage 2 kV AC 50 Hz
Housing Material self-extinguishing plastic
Immunity to Microbreaks 10 ms
Input Frequency 70 Hz
Insulation no galvanic insulation between supply and measurement
Insulation Resistance > 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60255-5
Maximum Measuring Cycle 200 ms measurement cycle as true rms value
Maximum Switching Voltage 250 V AC/DC
Measurement Accuracy +/- 10 % of the full scale value in input
Measurement Error +/- 0.05 %/°C with temperature variation
Measurement Range 40...70 Hz frequency
Minimum Switching Current 10 mA at 5 V DC
Nominal Output Current 5 A
Non-dissipating Shock Wave 4 kV
Operating Rate <= 360 operations/hour full load
Output Contacts 1 C/O + 1 C/O
Relay Monitored Parameters overfrequency and underfrequency 50 or 60 Hz
Relay Name RM35HZ21FM
Relay Type frequency control relays
Repeat Accuracy +/- 0.5 % for input and measurement circuit
Reset Time 2000 ms time delay
Run-up Delay at Power-up 0.5 s
Shock Resistance 15 gn for 11 ms conforming to IEC 60255-21-1
Status Led 1 LED green for power ON
Supply Frequency 50/60 Hz +/- 10 %
Supply Voltage Limits 102-308 V AC
Switching Capacity in Va 1250 VA
Threshold Setting -2...10 Hz
Time Delay Type adjustable 0.1...10 s, +/- 10 % on crossing the threshold
Vibration Resistance 0.35 mm (f= 5-57.6 Hz) conforming to IEC 60068-2-6/IEC 60255-21-1

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