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| Class | Multiplex Type Preset Counter | |
| Type | LD72J | LD72JE |
| Rated Working Power | 85~265VAC/DC input free, outher working voltage upon request | |
| Counting Multiplying Factor | ×1, ×10, ×100, ×1, ×10, ×100,( 1 denotes to count and plus 1 for 1 input signal, 10 denotes to count and plus 1 for 10 input signal, 100 denotes to count and plus 1 for 100 input signal, × denotes posifive mode × denotes in verse mode) | |
| Counting Range | 1-999900, 4 bits dial code preset, 1 bit counting multiplying factor set | |
| Power Cut Memory Function | W/O | W(The function is also for time accumulator) |
| Counting Speed | ≤60cps | |
| Weight and outline dimension | About 150g, 72W× 72H× 126D | |
| Signal Input Mode | NPN or contact type, short time (ON) impedance less than 3kΩ,open circuit (OFF) impedance exceed 100kΩ. Signal inside adopts photoelectric coupling isolation | |
| Reset Mode And Signal Width | Power on reset, panel keying reset and bottom terminal reset, LED displays 0 (positive mode) after reset or current dial code preset value (inverse code) | Power keying reset and bottom terminal reset, LED displays 0 (positive mode) after reset or current dial code preset value (inverse code). Power on reset (Recover the delay value before power cut and the relay state) |
| Contact Capacity Of Inside Relay | When the counting value reach user's dial code preset value, contact of output relay changes.Contact capacity is impedance load max 5A/28VAC or 5A/28VDC (two groups of relays) | |
| Power output of sensor | Max DC12V, 20mA | |
| Operating Environment | Ambient Temperature: -10~+55 °C (nonfreezing) Ambient Humidity: 35~85%RH | |
| Noisy Immunity | AC2kV(between operating power terminals) or DC ± 500V, time accumulator works normally under sisturbance of 1uS impulse width | |
| Service Life | Mechanical life: 5*106 times, electric life: 1*106 times | |


Established in 1992, ZHEJIANG LIERD RELAYS ENTERPRISE CO., LTD. is a member of Chinese Relay Industry Association. It locates at Xinguang lndustrial Zone, Liushi town (which has been known as “China's Capital of Electrical Equipment”), Wenzhou City, Zhejiang Province. The traffic here is quite convenient, only 35kms away for the Wenzhou airport, and 10kms from the railway station.
We are a professional manufacturer in producing, selling, designing and developing of time relay, solid-state relay, miniature high power relay, switching power supply, ampere-voltage meter, counter, photoelectric switch and relay sockets. All these products have been widely applied to domestic appliances, automatic control equipments, powering generating facilities and power grids, vehicle appliances, instruments, electronic equipments, communication equipments, machine equipments, office facilities, etc.

Q: Are you trading company or manufacturer?
A: We are factory.
Q: What is your delivery time?
A: Generally within 3 days if the goods are in stock. Or need 15-20 days for producing according to quantity.
Q: Do you provide samples? Is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: Terms of payment?
A: Payment<1000USD, 100% in advance via PayPal or Escrow. Payment>1000USD, 30% T/T in advance, balance before shipping.
If you have another question, please be free to contact us as.
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