China ZHCt Modified AC Contactor - Green Innovation Series by Reliable Suppliers and Factory for Motors and Circuit Control
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.
11 means three normally open main contacts, one normally open auxiliary contact and one normally closed auxiliary contact.
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 | ZHCt- 0911 | ZHCt- 1211 | ZHCt- 1611 | ZHCt- 1811 | ZHCt- 2211 | ZHCt- 2511 | ZHCt- 3211 | ZHCt- 3811 | ZHCt- 4511 | ZHCt- 5511 | ZHCt- 7011 | ZHCt- 8011 | ZHCt- 10011 | ||
| Rated working current | 400(380)V | AC-3 | 9 | 12 | 16 | 18 | 22 | 25 | 32 | 38 | 45 | 55 | 70 | 85 | 100 |
| AC-4 | 3.5 | 5 | 6.5 | 7.7 | 8 | 8.5 | 12 | 15 | 18.5 | 24 | 28 | 37 | 44 | ||
| 690(660)V | AC-3 | 6.6 | 8.9 | 8.9 | 12 | 14 | 18 | 21 | 32 | 34 | 39 | 42 | 49 | 49 | |
| AC-4 | 1.5 | 2 | 3 | 3.8 | 4 | 4.4 | 7.5 | 8.5 | 9 | 12 | 14 | 17.3 | 21.3 | ||
| Conventional free air thermal current | 20 | 20 | 25 | 32 | 38 | 40 | 50 | 60 | 60 | 80 | 80 | 95 | 95 | ||
| Rated insulation voltage | 690 | 690 | 690 | 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 | 3.5 | 4 | 5 | 5.5 | 7.5 | 10 | 11 | 15 | 18.5 | 22 | 25 | |
| 400(380)V | 4 | 5.5 | 7 | 7.5 | 10 | 11 | 15 | 18 | 18.5 | 22 | 30 | 37 | 45 | ||
| 690(660)V | 5.5 | 7.5 | 9 | 10 | 14 | 15 | 18.5 | 22 | 30 | 37 | 37 | 45 | 45 | ||
| Operating frequency (times/h) | Electrical endurance mechanical endurance | AC-3 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 1200 | 600 | 600 | 600 | 600 | 600 |
| AC-4 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | 300 | ||
| 3600 | 3600 | 3600 | 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 | 80 | 60 | 60 | 60 | 60 | |
| AC-4 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 15 | 15 | 15 | 10 | 10 | ||
Outline and installation dimensions
Outline and installation dimensions of ZHCt-09~32
Outline and installation dimensions of ZHCt-45~100
| Contactor type | A max | B max | C max | D max | E max | a | b | φ |
|---|---|---|---|---|---|---|---|---|
| ZHCt-0911~1211 | 47 | 76 | 87 | 120.5 | 145.5 | 34/35 | 56/60 | 4.5 |
| ZHCt-1611~1811 | 47 | 76 | 87 | 125.5 | 145.5 | 34/35 | 50/60 | 4.5 |
| ZHCt-2211~2511 | 57 | 86 | 100 | 138.5 | 158.5 | 40 | 48 | 4.5 |
| ZHCt-3211~3811 | 57 | 86 | 100 | 138.5 | 158.5 | 40 | 48 | 4.5 |
| ZHCt-4511~7011 | 77 | 129 | 116 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHCt-4504~7004 | 84 | 129 | 116 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHCt-4508~7008 | 84 | 129 | 127 | 154.5 | 174.5 | 40 | 105 | 6.5 |
| ZHCt-8511~10011 | 87 | 129 | 127 | 165.5 | 185.5 | 40 | 105 | 6.5 |
| ZHCt-8504~10004 | 96 | 129 | 122 | 160.5 | 180.5 | 40 | 105 | 6.5 |
| ZHCt-8508~10008 | 96 | 129 | 135 | 160.5 | 180.5 | 40 | 105 | 6.5 |
Frequently Asked Questions (FAQ)
Can these contactors be customized for specific scenarios?
Yes. All products of the company can be customized for production according to user usage scenarios.
What are the ambient air temperature limits for these contactors?
The ambient air temperature should be within the range of -5℃ to +40℃, with the average temperature not exceeding +35℃ over a 24-hour period.
What is the maximum altitude allowed for installation?
The contactors should be installed at an altitude not higher than 2000 meters.
What does the number "11" represent in the model type (e.g., ZHCt-0911)?
The number "11" means the contactor is equipped with three normally open main contacts, one normally open auxiliary contact, and one normally closed auxiliary contact.
What is the allowable inclination angle during installation?
The inclination between the installation surface and the vertical plane should not exceed ±5°.
What are the pollution level and installation category ratings?
The contactors feature a Level 3 pollution rating and fall under Installation Category III.