bonitron M3539-S600Ax3-1500VDC, Справочное руководство

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User’s Manual
3
2. P
RODUCT
D
ESCRIPTION
DC bus can experience dangerously high voltages. The M3539-S600Ax3-1500VDC
Overvoltage Protector (4118355) is designed to save all devices connected to the DC
bus by firing three SCRs when the voltage reaches a predetermined point, thus shunting
the potentially damaging energy.
2.1.
P
ART
N
UMBER
B
REAKDOWN
Figure 2-1: Example of Part Number Breakdown
B
ASE
M
ODEL
N
UMBER
The Base Model Number for all Overvoltage Protectors is M3539.
P
ROTECTION TYPE
One letter represents the selected Protection Type.
S
– Uni-directional protection
D
– Bi-directional protection
C
URRENT RATING
Current Rating is indicated by a 3 digit number.
2-1: Current Rating per SCR
R
ATING
C
ODE
C
URRENT
300 300A
600 600A
N
UMBER OF
SCR
S
Enter an “x” followed by the number of SCRs requested. Single SCR units have no
“x”.
V
OLTAGE
R
ATING
A 4-digit code represents the voltage trip point.
M3539 VDC Ax S Ax 600 1500 3
B
AS E
M
O D E L
P
ROTECTION
T
YPE
C
URRENT
R
ATING
N
UMBER OF
SCR
S
V
O L T AG E
R
AT I N G