1.1 Certificates: UL-E246810; CSA-256361; CCC- 2013010304614127; Semko/CE File No. EN60947-4-1:2010;
1.2 Application: HVAC/R;
1.3 Standard: UL508；ARI 780/790
1.4 RoHS Compliance
1.5 Class 3211 04/3211 84; Class NLDX2, NLDX8;
1.6 Load: 20FLA to 120FLA Coil: 24Vac to 480Vac
SA series Definite Purpose Contactor for HVAC/R application
Description
| SA | 2P | 30A | 240V | -001 | ||||
|---|---|---|---|---|---|---|---|---|
| HECHENG DP Contactor Model Number | ||||||||
| Pole and Form:
P=Form NO 1P=1pole; 2P=2poles; 3p=3poles; 4p=4poles; 1.5P= Only for 1pole without shut K= Only for 3poles,2 form NO, 1 form NC |
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| Contact Rating:
20A,25A,30A,40A,50A,60A,75A,90A,120A; |
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| Coil Voltage: 50/60Hz Frequency
24V, 120V, 208-240V, 277V, 480V, 300V; |
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| Customer Indentification:
001-999 optional customer sepcifics designation assigned by HECHENG to specify significant variation from the standard construction |
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1.1 Certificates: UL-E246810; CSA-256361; CCC- 2013010304614127; Semko/CE File No. EN60947-4-1:2010;
1.2 Application: HVAC/R;
1.3 Standard: UL508；ARI 780/790
1.4 RoHS Compliance
1.5 Class 3211 04/3211 84; Class NLDX2, NLDX8;
Why Choose Us?
Product action reliability design
Product Highlights:
Reliable pull-in at 70%~110%Us, carrying line voltage fluctuation；
The influence of voltage fluctuation:
Considering line voltage fluctuation is an inevitable phenomenon in most application scenarios, short-term pressure loss will cause the contactor to malfunction and affect the operation of the equipment; Frequent pressure loss will cause frequent contactor release, affecting product life and equipment life.
Method to realize：
Matching calculation of suction force and reaction force curve to ensure reliable suction.
Product Highlights:
Reasonable iron core and magnetic split ring, no vibration after 75% Us is attracted；
The influence of vibration:
Affect product life and temperature rise;
Method to realize:
Through the optimized design of the short-circuit ring to ensure sufficient retention.
Design of Product Reliability
Product Highlight：
Coil protective cover design to better protect the iron core;
Damage of Unprotected：
Most of the application scenarios are dusty and the iron core is not protected, which will cause the iron core area to be gray, then affect the product performance;
Product Advantage：
Silver contact point protection treatment ensures long-term low contact resistance and connection reliability;
Influence of Unprotected：
Silver contact point are easy to vulcanize, which affects product contact resistance; no power after action;
Method to realize：
Increasing the cleaning of silver contact point and the high-temperature protection treatment process, extending the vulcanization cycle of silver contact point to make the contact resistance change slowly;
Product Advantage：
AgCdO2 silver contact point, and the uniform thickness of the silver layer ensure the electrical life;
Design of Product Practicality
Product Highlight：
Full series of standard quick-connect terminals； In addition to the quick-connect terminal, there are two options for Screw connection method, and being arbitrarily matched;
Product Highlight：
The bottom plate is installed with a porous design, and the installation size can be freely selected; 
Product Highlight：
3P&4P accessory auxiliary contact point has multiple combinations choice , and there are micro switch types to ensure low current reliability;
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SA_1P-1.stp
Size: 9.00 B
Type: stp
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SA_2P.stp
Size: 2.79 MB
Type: stp
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SA_1P-2.stp
Size: 2.63 MB
Type: stp
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SA_3P_3040A.stp
Size: 3.98 MB
Type: stp
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SA_3P_5060A.stp
Size: 2.31 MB
Type: stp
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SA_3P_7590A.stp
Size: 2.75 MB
Type: stp
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SA_4P.stp
Size: 4.03 MB
Type: stp
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