Zw32-40.5 Outdoor High Voltage AC Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Arc-extinguishing Medium: Vacuum
• Type: Circuit Breaker
• Certification: ISO9001-2000
• Model No.: Zw32-40.5
• Model NO.: ZW32-40.5
• Application: Outdoor
• Arc-Extinguishing: Vacuum
• Rated Short Circuit Breaking Current: 20/25ka
• Transport Package: Plywood Case
• Trademark: JOYELECTRIC
• Origin: China
• HS Code: 85352100

Product Description

ZW32-40.5 Outdoor High Voltage AC Vacuum Circuit Breaker

1.The circuit breaker is a single-break pillar type, three-pole arrangement, and the pole is made of outdoor epoxy resin and silicone rubber.
2.Altitude: no more than 2000m
3.Rated short circuit breaking current:20/25kA

 

Product Description

1. Scope

This standard specifies the technical requirements, structure and specifications, inspection methods, inspection rules, marking and packaging, transportation, and storage requirements of the ZW32-40.5 vacuum circuit breaker, as well as the marking requirements on the technical documents.

This technical specification is applicable to the purchase, inspection and use of ZW32-40.5-1250/25 type high voltage AC vacuum circuit breaker.

 

2. Type

The circuit breaker is a single-break pillar type, three-pole arrangement, and the pole is made of outdoor epoxy resin and silicone rubber.

 

3. Technical parameters

3.1 Ambient conditions:

a) Altitude: no more than 2000m

b) Ambient temperature: -40ºC~+45ºC

c) Wind speed: no more than 34m/s (equivalent to 700Pa on the cylindrical surface)

d) Air pollution degree: not more than e-level;

e) Monthly average relative humidity: not more than 90%

f) Installation environment: no fire, explosion, chemical corrosion and severe vibration.

g) Earthquake intensity: not more than 9 degrees;

h) Solar radiation intensity: not more than 1000W/ m2(noon on a sunny day);

 

3.2 Rated parameters

a) The main parameters of the circuit breaker are shown in Table 1.

Table 1 Main technical parameters of circuit breaker

No	Named			Unit	Value
1	Rated voltage			kV	40.5
2	Rated Insulation Level	1 min power frequency withstand voltage	Phase to phase Phase to ground Between gaps	kV	95
		Lightning impulse withstand voltage	Phase to phase Phase to ground Between gaps	kV	185
3	Rated frequency			Hz	50
4	Rated current			A	630, 1250 1600(20)
5	Rated short circuit breaking current			kA	20	25
6	Rated short circuit making current(peak)			kA	50	63
7	Rated short-time withstand current			kA	20	25
8	Rated peak withstand current			kA	50	63
9	Rated short circuit duration			s	4
10	Rated operating sequence			/	O-0.3s-CO-180s-CO
11	Mechanical life test			times	10000
12	Rated short-circuit current breaking times			times	20

 

b)The circuit breaker is equipped with a spring operating mechanism, which should meet the requirements of this standard, and its main parameters are shown in Table 2.

Table 2 Main technical parameters of operating mechanism

No	Named	Unit	Value
1	Mechanism operation function
2	Rated operating voltage of opening and closing coil	V	DC220	DC110
3	Resistance value of opening and closing electromagnet (20ºC)	Ω	130	33
4	Rated working voltage of energy storage motor	V	DC220	DC110
5	Energy storage motor power	W	110
6	Energy storage time	s	≤10

 

c)The mechanical characteristic parameters that should be met after the circuit breaker is equipped with a spring operating mechanism are shown in Table 3

Table 3 Mechanical parameters and mechanical characteristics

No	Named	Unit	Value
1	Contact opening distance	mm	18±1
2	Contact stroke	mm	6±1
3	Contact bounce time	ms	≤3
4	Different period of opening and closing	ms	≤2
5	The cumulative thickness of the moving and static contacts allowed to wear	mm	≤3
6	Main circuit resistance	μΩ	≤60
7	Average opening speed	m/s	1.7±0.3
8	Average closing speed	m/s	1.1±0.3
9	Closing time	ms	25~60
10	Opening time	ms	20~50
11	C-O time (metal short circuit time)	ms	≤100 (Operating ≥100)
12	O-C time (Automatic reclosing time)	ms	300
13	Breaking time	ms	≤100

 

4. Outline dimension

5. Appearance and logo design requirements

5.1 Shell

The beam and mechanism box are made of stainless steel, without obvious scratches and bumps, so as not to affect the anti-corrosion performance;

5.2 Phase column

The silicone rubber on the outer layer of the phase column has no bumps and scratches, ensuring reliable electrical performance. The color of the external silicone rubber is gray, and the color code is RAL7004;

5.3 Opening and closing status indicator

The "opening" and "closing" indicators cooperate with the pointer to indicate the opening and closing status.

The fonts of "opening" and "close" are bold, the height is 40mm, the font color is white, and the color code is RAL9003; the background color of the "opening" indicator is green, and the color code is RAL6029; the "close" indicator The background color is red, and the color code is RAL3020.

5.4 Energy storage status indicator

The "unstored energy" and "stored energy" indicators cooperate with the pointer to indicate the state of energy storage.

The fonts of "unstorage" and "storage" are bold, the font height is 16mm, the font color is white, and the color code is RAL9003; the background color of the side of "non-storage" is green, and the color code is RAL6029; "stored" The background color on the side of "neng" is red, and the color code is RAL3020.

5.5 Design and structure requirements

a) The circuit breaker should be able to be installed, operated, inspected and maintained safely;

b) After the circuit breaker is assembled and adjusted, the mechanical parameters and mechanical characteristics should meet the requirements of Table 7;

c) The circuit breaker shell should have a grounding screw with a diameter of not less than 12mm, and the screw must have anti-corrosion measures, the contact surface of the grounding place should be smooth and clean, and there should be an obvious grounding symbol near the grounding screw hole;

d) There should be an easy-to-observe sign on the circuit breaker to indicate the opening and closing status of the circuit breaker;

e) The circuit breaker can be attached with a current transformer for measurement and protection, and the current transformer should meet the requirements of the relevant technical clauses of the GB 20840.2-2014 standard;

f) Product protection level: IP55;

g) The spring operating mechanism has two modes of electric energy storage and manual energy storage, with obvious indications reflecting the position of energy storage;

h) The energy storage motor of the spring operating mechanism can store energy smoothly at 85%~110% of the rated voltage;

i) The mechanism interlocking device can ensure that the mechanism can no longer be closed when the mechanism is in the closing energy storage position, and the closing half axis can be flexibly reset.

 

FAQ

Q: Could I have prices of your products?
A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours
Q: Can l get a sample before the bulk order?
A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
Q: Can we print our logo/ company name on products?
A: Yes, of course, we accept OEM, then need you to provide brand authorization to us
Q:Do you accept product customization?
A: Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
Q: What is your Trade Terms?
A: We accept EXW, FOB, CIF, FCA, etc.
Q: What is your payment method?
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
Q: Do you inspect the finished products?
A: Yes, each step of production and finished products wil be came out inspection by Qc department before shipping. And we willprovide goods inspection reports for your reference before shipment
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.