S&C Mark V Instruction Sheet

S&C Instruction Sheet 711-590 7
Inspection Recommendations
Table 1� Recommended Inspection Schedule for S&C Mark V Circuit-Switcher Components
Component
Mechanical-
Operations
Test Value①,
Number of
Open/Close
Operations
Electrical-Operations Limit Inspection Frequency②
Application
Maximum
Current,
Amperes
Circuit-
Switcher
Style
Number of
Open/Close
Operations
Number of Open/Close Operations
Number
of Years
1 or 2 125 250 500 1 000
2
500
1 5
Switch
operator,
power train,
brain, and
shunt-trip
device
5 000 — — — —
●■ ●■
Interrupter 5 000
Capacitor,
reactor,
or load
switching
250
All
5 000
●▲
●▲
550 2 000
●▲
1 000 1 000
●▲
Load
switching
1 200 All 750
●▲
1 600
Center-break
500
●▲
2 000 250
●▲
Fault
interrupting
Secondary-
fault
interrupting
rating of
circuit-switcher
All 25
Not applicable
Primary-fault
interrupting
rating of
circuit-switcher
All 10
Disconnect
live parts
5 000
Capacitor,
reactor, or
load
switching
250
All
5 000■ ●◆
●
550
2 000■ ●◆
1 000
Vertical-break
and integer
with extra-
performance
closing
contacts
1 000■ ●◆
Vertical-break
and integer
without extra-
performance
closing
contacts
500■ ●◆
Center-break 1 000
●
Load
switching
1 200
Vertical-break
and integer
with extra-
performance
closing
contacts
750■ ●◆
Vertical-break
and integer
without extra-
performance
closing
contacts
350■ ●◆
Center-break 750
●
1 600
Center-break
500
●
2 000 250
●
Fault
closing
Fault-closing
rating of
circuit-switcher
All 2
●
Not
applicable
TABLE CONTINUED ▶

S&C Mark V Specifications

General

Brand	S&C
Model	Mark V
Category	Switch
Language	English