JDM72 series electronic counting relayDetailed product description：

The JDM72 series electronic counting relay is suitable as a counting element in automatic control circuits with AC 50/60Hz, voltage up to 380V or DC up to 48V, and can be connected or disconnected according to preset numbers. The product has correct counting. Strong anti-interference ability, clear LED display and other features, with power-off maintenance function. The external dimensions are 72 × 72, suitable for panel installation.

model	JDM72
Type and specification	Incremental/decremental counting with power outage hold function
counting range	0-9999, 0-9999999
Counting input method	Contact signal, pulse voltage, pulse level
Contact type	SPDT
contact capacity	5A AC220V (resistive load res.load)
Electrical lifespan (AC-12)	1×105
characteristic	Single or double row display, dedicated built-in E2PROM technology for data storage, preset number locking, reversible counting.
Product Certification	CCC application in progress

Specifications and varieties

model	counting range	display mode	rated voltage
JDM72-S	0-9999	Single row LED	AC24,36,48,110,127, 220,380V DC24,48V
JDM72-D	0-9999	Double row LED

Technical data

Calculate the highest frequency	30cps
Pulse voltage input, pulse amplitude, pulse width, pulse period	Vpp≥12V，Ip≥3mA Tτ≥10ms Tc≥33ms
Pulse level input	Upp≥6V，Ip≥200mA

Number of contact points	1 Conversion
contact capacity	AC220V 5A (resistive load Res. load)
External reset time	≥50ms
Rated power consumption	AC≤2VA DC≤1W
Insulation strength	AC1500V 1min (AC750V 1min between contacts in the same group)
mechanical life	1×106
electrical life	1×105

JDM72 series electronic counting relay