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Frequency- and Speed-Relays

Monitoring range 5...99.999 MIN -1
Frequency 10...500 Hz, Resolution of display 0,01 Hz
Measuring Inputs AC 20-440 V
2 limits
2 relays
Universal supply AC/DC 24-240 V

see FR1000,
with integrated Measuring-transducer
scaleable analog output

Monitoring of Frequency and Voltage with integrated monitoring of Vector-step
For application at solar plants, in block power heating stations or general monitoring of AC-networks-Quality
Typ-Prüfschein UFR 1000 100 ms Standard
Typ-Prüfschein UFR 1000 50 ms
EC Declaration of conformity

same as UFR1000, additionally alarm counter and sealable


		Mains Monitoring

		Phase-Monitor Relays Type PS
			Phase-Asymmetry
			Phase-Sequence
			Under- and Overvoltage
			Phase-Sequence-Change
			Motorload Cos phi


		Voltage-monitor-Relays Type SW
			DC-voltage-monitor Relays
			AC-voltage-monitor Relays
			3-phase-voltage-monitor Relays


		Current-Relays for current-recognition Type STW
			Current-Relays with OR-circuits
			Current-Relays with AND-circuits


		Electronic Current-Transformers / Current-Sensors
			Current-Detection
			Measuring-Transducers


		Current-Relays adjustable Type STW
			Current-Relays
			Cure-Transformers


		Frequency-Relay Type FR


		Voltage-, Frequency-, Vector-step-Relay Type UFR

		Current-Relay for Photovoltaic-Systems

Mains Monitoring
EC-Declaration of Conformity Mains Monitoring

Phase-monitor Relays
protect machines and systems from damage caused by asymmetry in 3-phase power-systems. Monitoring of phase sequence protects against unintentional reverse running of electric motors


	PS2DK	Phase asymmetry monitor
	PSSW1	Phase sequence/ Over- and Undervoltage monitor
	DRR10	Phase-Sequence Relay for 3-phase networks, automatic change of wrong phase sequence, max. 16 A EC-Declaration of Conformity DRR
	DRR20	Phase-Sequence Relay with monitoring of Voltage and Asymmetry
	COSFI100V	Load and Current Monitor for over- and underload at electric motors. Monitoring of current-direction at generators

Voltage-monitor Relays

monitor DC or AC power-systems and protect connected devices against damage by over- or undervoltage

	STW1000V2	DC Voltage-monitor for standard signals DC 0/4-20 mA, 0/2-10 V

	SW31V	Undervoltage-monitor 3 AC 400 V/N

	SW32V	Universal Voltage-monitor for 3-Phase, DC- and AC-Voltage up to 830 V
	UFR1000	Relay for monitoring Frequency and Voltage with integrated monitoring of Vector-step Typ-Prüfschein UFR 1000 100 ms Standard Typ-Prüfschein UFR 1000 50 ms EC-Declaration of Conformity UFR 1000
	UFR1001	same as UFR1000, additionally alarm counter and sealable
	SW31K	Undervoltage-monitor for 3-Phase-Networks

Current Relays (current on/off) for current recognition

in OR-circuits recognize when there is a AC-current in 1 of up to 12 monitored lines and switch on for instance a central suction system. Current relays in AND-circuits only switch on when there is a AC-current in all 3 monitored lines and report for instance a break of a phase.

	STW2V	Current-Detection AC/DC with Current-Sensor S1

	STW1K	AC-recognition, OR-circuit, 1-8 transformers
	STW12	AC-recognition, OR-operation, 12-channel individual evaluation
	STW12V	AC-recognition, OR-circuit, 1-12 transformers, adjustable

	STW20K	AC-Erecognition, AND-circuit, 3 inputs, Housing design K for mounting on 35mm-rail or with screws M4
	STW20V	AC-Erecognition, AND-circuit, 3 inputs, Housing design V for mounting on DIN-rail or wall-mount

	STWA1 STWA1H	Current transformer for current relays for current recognition

Electronic-current-transformers
EC-Declaration of Conformity STWA

with built-in electronics can be directly connected to digital or analog inputs of PLCs - monitoring current ON/OFF (adjustable) - measuring transducers with analog outputs 0/4 - 20 mA or frequency 0,5 - 20 Hz.


	Current Sensor S1	AC/DC-currents app. 5 A / adjustable 5-30 A

	STWA1S	> 2 A, Open-collector-output
	STWA1SH	> 2 A, Open-collector-output
	STWA1SEH	Switching points adjustable, 2-10 A, LED
	STWA1AH	Measuring transducer AC 0-15 A -> DC 0-20 mA
	STWA2AH	Measuring transducer AC 0-20 A / 0-100 A -> DC 4-20 mA
	STWA1FH	Measuring transducer AC 0-20 A -> 0,5-20 Hz, Open-collector-output
	STWA1LH	AC-Electronic-current-transformer with switching output AC 230 V

Current Relays (adjustable)

for monitoring DC- and AC-currents. Versions with up to 3 measuring-inputs and up to 2 switching points cope with various applications. In combination with external transformers or shunts, nearly any level of current can be monitored.

	STW1000V2	DC-Limit-value Relay for standard signalse, DC 0/4-20 mA, 0/2-10 V

	TR210	DC universal Limit-value Relay 2 inputs 0/4-20 mA and 0-10 V, 2 relay-outputs, digital display, analog output scaleable (Measuring-transducer)
	STW1000	AC and DC current, AC/DC 0,1-10 A, 6-60 mV with external shunt, over- and under-current
	STW200	Monitoring of LED-Lamps or Light-bulbs in obstacle lights

	WS	Winding current transformers
	AS	Plug-in current transformers