LY1-12.5 Surge Protection Device

LY1-12.5 Surge Protection Device

Short Description:

With “+1″ have MOV and GDT, protection mode (TN-S, TT),
Without “+1″ only have MOV, protection mode (TN-S,TN-C)
With “S”: have floating remote signalling contact
Without “S”: have no floating remote signalling contact
Device length is 90mm, height is 81mm, width from 1P to 4P (18, 36, 54, 72)mm
1)2) ,3)4), 5) 6) are same product with different type name and different declared parameters.


Product Detail

Product Tags

Technical data

  Applicant: WENZHOU LEEYEE ELECTRIC CO., LTD.
Address: No.1,  Xingye Road, Dagang, Beibaixiang Town, Yuqing, Zhejiang 325603, China
  Factory: WENZHOU LEEYEE ELECTRIC CO., LTD.
Address: No.1,  Xingye Road, Dagang, Beibaixiang Town, Yuqing, Zhejiang 325603, China
 Kind of Equip.: Surge Protector (Surge Protective Device)
 Designation: LY1-12.5/1+1, LY1-12.5/1S+1, LY1-12.5/3+1, LY1-12.5/3S+1LY1-12.5/1, LY1-12.5/1S, LY1-12.5/3, LY1-12.5/3S,

LY1-12.5/4, LY1-12.5/4S

LY1-7/1+1, LY1-7/1S+1, LY1-7/3+1, LY1-7/3S+1

LY1-7/1, LY1-7/1S, LY1-7/3, LY1-7/3S, LY1-7/4, LY1-7/4S

LY1-5/1+1, LY1-5/1S+1, LY1-5/3+1, LY1-5/3S+1

LY1-5/1, LY1-5/1S, LY1-5/3, LY1-5/3S, LY1-5/4, LY1-5/4S

Location category: Indoor
Number of ports: One port
Method of mounting: Fixed, 35 mm DIN rail acc. to EN 60715
Max. backup fuse 160 A gL/gG
Short-circuit current rating(ISCCR)  25 kA
Residual Current(IPE) 0.5 mA
Type of current: AC
 Test Class: T1+T2
Nominal discharge current(In): 20 kA
Max. discharge current (Imax): 50 kA
Max.  impulse current (Iimp) 1) 12.5 kA (L-N) 50 kA (N-PE), 2) 12.5 kA (L/N-PE)3)  7 kA (L-N) 25 kA (N-PE), 4) 7 kA (L/N-PE)

5)  5 kA (L-N) 25 kA (N-PE), 6) 5 kA (L/N-PE)

 Max. continuous operation voltage (Uc): AC 275 V (L-N/PE), AC 255 V (N-PE)
Voltage protect level (Up): 1.5 kV
Modes of protection 1)3)  5) L-N, N-PE2)4)   6) L-PE, N-PE
Application system 1)3)  5) TN, TT2)4)  6) TN
IP  code IP 20
Temperatures/humidity -40 ℃ to +70 ℃, 5 % to 95 %
Remark: N/A

Circuit Diagram

CDF LY1-12.5

Parts list

No. Name Type & Specifications Manufacturer Standards Certification
1 MOV 54S431K LONG KE ELECTRONICS (HUIYANG) CO LTD UL1449 UL:EE356664
GDT PS2B600 SHENZHEN VACTECH ELECTRONIC CO LTD UL1449 UL:E360318
2 Micro switch KW10-ZD3P150 DONGNAN ELECTRONICS CO.,LTD EN 61058-1:2002 UL:E176213
3 PCB JLC-2 SHENZHEN JIA LI CHUANG TECHNOLOGY DEVELOPMENT CO.,LTD UL796 UL:E479892
4 MOV cover,GDT cover,Base Enclosure / CHANG CHUN PLASTICS CO LTD IEC 60695-11-10 UL:E59481
5 MOV box,GDT box / CHANG CHUN PLASTICS CO LTD IEC 60695-11-10 UL:E59481
6 Low Temperature Solder 135℃±3℃, 1.2MM SUZHOU LEIDUN NEW MATERIAL TECHNOLOGY CO., LTD / /
7 Remote connection 15EMGK-3.81, 15EMGVC-3.81 CIXI MEIGAN ELECTRIC APPLIANCE SOCKET FACTORY UL1059 UL:E485689

Differences of SPDs

With "+1" have MOV and GDT, protection mode (TN-S, TT),
Without "+1" only have MOV, protection mode (TN-S,TN-C)
With "S": have floating remote signalling contact
Without "S": have no floating remote signalling contact
Device length is 90mm, height is 81mm, width from 1P to 4P (18, 36, 54, 72)mm
1)2) ,3)4), 5) 6) are same product with different type name and different declared parameters.


  • Previous:
  • Next:

  • Write your message here and send it to us

    PRODUCT CATEGORIES

    Focus on providing mong pu solutions for 5 years.