AC Contactor ZNFO Transcender Series - China Suppliers and Factory for Reliable Motor Control and Circuit Protection
Advantage
Type and meaning
09A-95A adopts the number of auxiliary contacts, while 115A-800A adopts the number of poles.
10 means three normally open main contacts and one normally open auxiliary contact (32A and below);
01 means three normally open main contacts and one normally closed auxiliary contact (32A and below);
11 means three normally open main contacts, one normally open auxiliary contact and one normally closed auxiliary contact (40A and above).
Normal working conditions and installation conditions
- The ambient air temperature should be -5℃ ~+40℃, with the average temperature of no higher than +35℃ within 24 hours.
- Altitude: not higher than 2000m;
- Atmospheric conditions: when the highest temperature is +40℃, the relative humidity of the air should not be higher than 50%; A higher relative humidity is allowed at a lower temperature, such as 90% under 20℃. Special measures should be taken for occasional condensation due to temperature change;
- Pollution level: level 3;
- Installation category: category III;
- Installation condition: the inclination between the installation surface and the vertical plane should not exceed ±5°;
- Impact vibration: the product should be installed and used in a place without obvious shaking, impact and vibration.
Main parameters and technical performance
| Type | ZHC-09 | ZHC-12 | ZHC-18 | ZHC-25 | ZHC-32 | ZHC-40 | ZHC-50 | ZHC-65 | ZHC-80 | ZHC-95 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rated working current | 400(380)V | AC-3 | 9 | 12 | 18 | 25 | 32 | 40 | 50 | 65 | 80 | 95 |
| AC-4 | 3.5 | 5 | 7.7 | 8.5 | 12 | 18.5 | 24 | 28 | 37 | 44 | ||
| 690(660)V | AC-3 | 6.6 | 8.9 | 12 | 18 | 21 | 34 | 39 | 42 | 49 | 49 | |
| AC-4 | 1.5 | 2 | 3.8 | 4.4 | 7.5 | 9 | 12 | 14 | 17.3 | 21.3 | ||
| Conventional free air thermal current | 20 | 20 | 32 | 40 | 50 | 60 | 80 | 80 | 95 | 95 | ||
| Rated insulation voltage | 690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 | 690 | ||
| Controllable three-phase squirrel cage motor power (AC-3) kW | 230(220)V | 2.2 | 3 | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 25 | |
| 400(380)V | 4 | 5.5 | 7.5 | 11 | 15 | 18.5 | 22 | 30 | 37 | 45 | ||
| 690(660)V | 5.5 | 7.5 | 10 | 15 | 18.5 | 30 | 37 | 37 | 45 | 45 | ||
| Operating frequency (times/h) | Electrical endurance mechanical endurance | AC-3 | 1200 | 1200 | 1200 | 1200 | 600 | 600 | 600 | 600 | 600 | 600 |
| AC-4 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | ||
| 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | 3600 | |||
| Electrical endurance (10,000 times) | AC-3 | 100 | 100 | 100 | 100 | 80 | 80 | 60 | 60 | 60 | 60 | |
| AC-4 | 20 | 20 | 20 | 20 | 20 | 15 | 15 | 15 | 10 | 10 | ||
Outline and installation dimensions
| Contactor type | A max | B max | C max | D max | E max | a | b | φ |
|---|---|---|---|---|---|---|---|---|
| ZHC-09~12 | 47 | 76 | 82 | 120.5 | 140.5 | 34/35 | 56/60 | 4.5 |
| ZHC-18 | 47 | 76 | 87 | 125.5 | 145.5 | 34/35 | 50/60 | 4.5 |
| ZHC-25 | 57 | 86 | 95 | 133.5 | 153.5 | 40 | 48 | 4.5 |
| ZHC-32 | 57 | 86 | 100 | 138.5 | 158.5 | 40 | 48 | 4.5 |
| ZHC-4011~6511 | 77 | 129 | 116 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHC-4004~6504 | 84 | 129 | 116 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHC-4008~6508 | 84 | 129 | 127 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHC-8011~9511 | 87 | 129 | 127 | 165.5 | 185.5 | 40 | 105 | 6.5 |
| ZHC-8004~9504 | 96 | 129 | 122 | 160.5 | 180.5 | 40 | 105 | 6.5 |
| ZHC-8008~9508 | 96 | 129 | 135 | 160.5 | 180.5 | 40 | 105 | 6.5 |
Frequently Asked Questions
Yes, all products of the company can be customized for production according to user usage scenarios.
"10" means three normally open main contacts and one normally open auxiliary contact (32A and below); "01" means three normally open main contacts and one normally closed auxiliary contact (32A and below); "11" means three normally open main contacts, one normally open auxiliary contact, and one normally closed auxiliary contact (40A and above).
The ambient air temperature should be between -5℃ and +40℃, with an average temperature of no higher than +35℃ within a 24-hour period.
The installation altitude should not exceed 2000 meters above sea level.
At the maximum temperature of +40℃, relative humidity should not exceed 50%. However, higher relative humidity is allowed at lower temperatures (e.g., 90% under 20℃). Special measures should be taken for occasional condensation due to temperature changes.
The inclination between the installation surface and the vertical plane should not exceed ±5°.