Er-1 8.6 Single Phase Pole Mounted Vacuum Recloser

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Conventional Circuit Breaker
• Model NO.: ER-1
• Poles Number: 1
• Type: Circuit Breaker
• Function: Overcurrent Protection, Circuit-Breaker Failure P
• Certification: VDE, ISO9001-2000, CE, UL, CB, CCC
• Transport Package: Wooden
• Specification: iec
• Trademark: Rockwill
• Origin: China
• HS Code: 85352100
• Production Capacity: 5000

Product Description

KEMA type tested and certificated products!

The ER series automatic circuit reclosers by shorten as auto recloser which can used on overhead distribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60HZ power system.and its rated current can reach 1250A.

The ER series auto recloser offers three type smart software for human-computer interaction friendliness application. which functions high efficient and save most cost of time and money expense.

The ER auto recloser offer totally 10curves for user choice as Per standard IEC 62271-111 and IEEC/ANSI C37.60: 5 IEC standard and 5 ANSI standard.
ER series auto recloser also provide with programable software for customized make relay function.

ER type recloser offer very importance APP management software insert to distribution automation management system.
 

General:

Rockwill Electric strives to bring our customers the latest technology and competitive pricing and best service for distribution automatic.

The ER series automatic circuit reclosers can use on overhead distribution lines as well as distribution substation applications for all voltage classes 11kV up to 38kV at 50/60HZ power system. and its rated current can reach 1250A.

The ER series automatic circuit reclosers integrates the functions of control, protection, measurement, communication, fault detection, on-line monitoring of closing or opening.



Service environment:

  a) Air temperature: Maximum temperature: +85ºC; Minimum temperature:-45ºC
  b) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
  c) Altitude above sea level: Maximum installation altitude:2500mor more higher.
  d) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
  e) No frequent violent shake

Technical specification:
 

N	Item		Unit	data
1	Rated max voltage		kV	12	15	27	38
2	Rated current		A	630/800/1250
3	Rated frequency		Hz	50/60
4	Power frequency 1 min	Dry	kV	45	55	65	95
		wet		30	45	55	80
5	Lightning impulse withstand voltage(peak)		kV	75/95*	95/100*	125/150*	170/200*
6	Rated short circuit breaking current		kA	12.5/16/20/25*
7	Rated short current switching current(peak)		kA	31.5/40/50/63*
8	Rated peak value withstand current		kA	31.5/40/50/63*
9	4S short time withstand current		kA	12.5/16/20/25*
10	Rated operating circulate			O-0.5S-CO-2S-CO-2S-CO
11	Breaking current frequency under rated short circuit		Time	200
12	Mechanism life		Time	10000
13	Secondary loop 1min power frequency withstand		kV	2
14	Auxiliary voltage supply		Vac	220±20%
15	Battery bank		Vdc	12×2
16	Capacitor unit		Vdc	220