คุณสมบัติ / Specifications

ข้อมูลทางเทคนิค / Technical Data Sheets

Legislation and Compliance

รายละเอียดสินค้า / Product Details

ค้นหาผลิตภัณฑ์ที่คล้ายกันโดยเลือกคุณลักษณะอย่างน้อยหนึ่งรายการ

เลือกทั้งหมด	คุณลักษณะ	ค่า
	Brand	Dold
	Monitoring Application	Frequency
	Contact Configuration	DPDT
	Voltage Sensing Range	15 → 280 V ac, 30 → 550V ac
	Mounting Type	DIN Rail
	Time Delay	0 → 100 s, 0 → 50s
	Frequency Sensing Range	5 → 600Hz
	Series	MK9837N
	Frequency Sensitivity	Overfrequency, Underfrequency
	Maximum Frequency Sensed	500Hz
	Length	97mm
	Minimum Voltage Sensed	15 V ac, 30V ac
	Dimensions	97 x 22.5 x 90mm
	Terminal Type	Screw
	Minimum Frequency Sensed	5Hz
	Maximum Operating Temperature	+60°C
	Width	22.5mm
	Height	90mm
	Operating Temperature Range	+60°C
	Maximum Voltage Sensed	280 V ac, 550V ac
	Minimum Operating Temperature	-20°C

	เลือกทั้งหมด
	Brand Dold
	Monitoring Application Frequency
	Contact Configuration DPDT
	Voltage Sensing Range 15 → 280 V ac, 30 → 550V ac
	Mounting Type DIN Rail
	Time Delay 0 → 100 s, 0 → 50s
	Frequency Sensing Range 5 → 600Hz
	Series MK9837N
	Frequency Sensitivity Overfrequency, Underfrequency
	Maximum Frequency Sensed 500Hz
	Length 97mm
	Minimum Voltage Sensed 15 V ac, 30V ac
	Dimensions 97 x 22.5 x 90mm
	Terminal Type Screw
	Minimum Frequency Sensed 5Hz
	Maximum Operating Temperature +60°C
	Width 22.5mm
	Height 90mm
	Operating Temperature Range +60°C
	Maximum Voltage Sensed 280 V ac, 550V ac
	Minimum Operating Temperature -20°C

Datasheet

COO (Country of Origin):: DE

Detection of over- or under frequency of alternating voltage (adjustable function)
Fast reaction time by measuring duration of cycle of input frequency
Universal measuring input for AC-voltages of 15 ... 280 V as well as 30 ... 550 V
As option with measuring input for inverters
Adjustable hysteresis
Adjustable monitoring time for missing input signal at function over frequency
Response delay programmable via terminals 0 ... 100 s
Alarm storing or auto-reset programmable via terminals
Galvanic separation between measuring input, auxiliary voltage and output contacts
MH 9837 available with wide input range for auxiliary supply (AC/DC 24 ... 60 V or AC/DC 110 ... 230 V)
2 changeover contacts, closed circuit operation
Open circuit operation on request
LED indication for auxiliary voltage, measuring voltage and alarm status
MH 9837.12/008: with galvanic separated analogue output (current/ voltage) and 11 step LED chain for the actual frequency
Device available with 2 response values and separately controlled output relays for under- and over frequency see MK 9837N/500

Dold Frequency Monitoring Relay, DPDT, 15 → 280V ac, DIN Rail

ลิงก์ที่เกี่ยวข้อง