User Manual
Tel: +0086-023-67628702 Email:[email protected]
www.cqbluejay.com
Add: 1802,Building 2,No.88,Jianxin East Road,Chongqing,400020,China - 6 -
Product standards
GB / T 14048.1
(IEC 60947-1)
Low-voltage switchgear and control equipment General Provisions
GB / T 14048.4
(IEC 60947-4)
Low voltage electromechanical contactors and motor starters
requirements
JB / T 10613-2006
General specification for digital motor combined protection
equipment
JB / T 10736-2007
Low voltage motor protection
Protection CT selection guide
PR200 ampere range
(
I.scl
)
Motor rated ampere
(
Ie
)
Description
2A
0.5-2A
Protection CT provide by PR200 body
CT ratio set to 1
5A
1-5A
25A
5-25A
100A
25-100A
200A
100-200A
250/5
150-250A
Connect extra protection CT ../5A
CT ratio use 50 / 100 / 160
Notes
: If motor rated ampere over 200A, need external
protect CT, protect grade 5P10, accuracy 0.5
class, 1* PR200 need 3pcs CT
500/5
250-500A
800/5
500-800A
Residual current CT
If PR200 choose ground fault protection, need external LCT05/30 series CT for detect leakage
current.
LCT05 rated current of 500mA, the current range (50 ~ 500mA)
LCT30 rated current of 30A, the current range of (3 ~ 30A)
Each PR200 need 1pcs, please contact sales team for purchase issue.
