K730 Series DIN Rail or Panel mount type with Quick connector or screw terminal Electro Mechanical Power Relay

Key Features

  • 730 Series are designed with DIN rail mount & Panel direct mount, and Quick connector(#250) & terminal screw type, reliability and long life, and pushbutton allows manual operation of the relay
① Contact configuration
1 SPST NO(1a)
2 DPST NO(2a)
② Connection type
T Screw terminal
Q Quick connector (#250)
③ Mount type
R Din Rail mount
B Panel mount
④ Voltage
24 24VDC
110 110VAC
220 220VAC
Contact specifications
Configuration 1 2
SPST NO(1a) DPST NO(2a)
Material Silver alloy
Rate current 30A 25A
Rated max. resistive load 30A at 30VDC/277VAC 25A at 30VDC/277VAC
Max switching voltage DC900W/AC8, 310VA, DC750W/AC5, 500VA
Min. switching requirement* 100mA 5VDC
* Min. Switching requirement: If load require low current, you may consider a troubleshooting for operation. For a proper operation, a dummy resistance should be added in parallel on the load to provide current more than min. Switching requirement (100mA 5VDC)
Coil specifications
Voltage range 6VDC~110VDC, 6VAC~240VAC
Power consumption DC: 1.9W approx. 6-48VAC: 1.7-1.9VA
100/120VAC: 1.9-2.7VA 200/240VAC: 1.8-2.6VA
Minimum operating voltage 80% of rated coil voltage
Dropout voltage DC Coil: 10% of rated voltage
AC Coil: 30% of rated voltage
General information
Time of operation 30ms max. at rated coil voltage
Time of interruption 20ms max.
Isulation resistance 100mΩ min. (500VDC)
Dielectric strength Between contacts: 2,000Vrms 1 min.
Between contact & coil: 4,000Vrms 1 min.
Mechanical life at no load 1,000,000 operations
Electrical life at rated load 100,000 operations
Vibration resistanceFunctional 10~55Hz at double amplitude of 1.5mm
Ambient temperature -10°C ~ +60°C (-14°F ~ +140°F) at non freezing
Ambient humidity 35~85% RH
Weight TB type: 90g(3.2oz), QB type: 120g(4.2oz)
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