China ZNFO Transcender Series AC Contactors - Reliable Suppliers & Factory for 50Hz/60Hz Applications
Advantage
All products of the company can be customized for production according to user usage scenarios.
Type and meaning
Note l
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
Main parameters and technical performance indicators of the contactor
| 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/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 | ||
| Mechanical | 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
Outline and installation dimensions of ZHC-09~32
Outline and installation dimensions of ZHC-40~95
| 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 (FAQ)
Can these contactors be customized for specific applications?
Yes, all products of the company can be customized for production according to the user's specific usage scenarios.
What are the ambient temperature requirements for installation?
The ambient air temperature should be within the range of -5℃ to +40℃, and the average temperature over a 24-hour period must not exceed +35℃.
What is the maximum altitude limit for normal operating conditions?
The contactors should be installed at an altitude not higher than 2000 meters above sea level.
What do the auxiliary contact codes "10" and "01" stand for?
For models 32A and below: "10" means three normally open main contacts and one normally open auxiliary contact; "01" means three normally open main contacts and one normally closed auxiliary contact.
What is the maximum allowable installation inclination?
The inclination between the installation surface and the vertical plane should not exceed ±5° during installation.
Can the contactor be installed in environments with high vibration?
No, the product should be installed and used in locations that are free from obvious shaking, impact, and vibration.