Effective July 2022
Instructional Leaflet
IL0131196EN
Installation instructions for Castell key
interlock kit IZM low voltage
circuit breakers
m
WARNING
(1) ONLY QUALIFIED ELECTRICAL PERSONNEL SHOULD
BE PERMITTED TO WORK ON THE EQUIPMENT
(2) ALWAYS DE-ENERGIZE PRIMARY AND SECONDARY
CIRCUITS IF A CIRCUIT BREAKER CANNOT BE
REMOVED TO A SAFE WORK LOCATION
(3) DRAWOUT CIRCUIT BREAKERS SHOULD BE LEVERED
(RACKED) OUT TO THE DISCONNECT POSITION.
(4) ALL CIRCUIT BREAKERS SHOULD BE SWITCHED TO
THE OFF POSITION AND MECHANISM SPRINGS
DISCHARGED.
FAILURE TO FOLLOW THESE STEPS FOR ALL
PROCEDURES DESCRIBED IN THIS INSTRUCTION
LEAFLET COULD RESULT IN DEATH, BODILY INJURY, OR
PROPERTY DAMAGE.
m
WARNING
THE INSTRUCTIONS CONTAINED IN THIS IL AND ON
PRODUCT LABELS MUST BE FOLLOWED. OBSERVE
THE FIVE SAFETY RULES.
• DISCONNECTING;
• ENSURE THAT DEVICES CANNOT BE ACCIDENTALLY
RESTARTED;
• VERIFY ISOLATION FROM THE SUPPLY;
• EARTHING AND SHORT-CIRCUITING; AND;
• COVERING OR PROVIDING BARRIERS TO ADJACENT
LIVE PARTS.
DISCONNECT THE EQUIPMENT FROM THE SUPPLY.
USE ONLY AUTHORIZED SPARE PARTS IN THE REPAIR
OF THE EQUIPMENT. THE SPECIFIED MAINTENANCE
INTERVALS AS WELL AS THE INSTRUCTIONS FOR
REPAIR AND EXCHANGE MUST BE STRICTLY ADHERED
TO PREVENT INJURY TO PERSONNEL AND DAMAGE
TO THE SWITCHBOARD.
General information
This key interlock provides the following
safety features:
•
With no key, the breaker is open and
cannot close
•
With the key ON (in cylinder) and rotated,
the breaker is fully functional
•
The key cannot be removed when the
breaker is ON (closed). The key cannot turn
the breaker OFF
ote:
N
To remove the key, press the breaker OFF button,
and rotate the key 90 degrees counterclockwise.
Required tools
•
M10 socket with 1/4-inch drive
•
1-7/16-inch (36 mm) hole saw/drill
•
#1 Phillips head screwdriver
•
Flat blade screwdriver
•
Needle-nose pliers
Kit parts identification
Refer to
for visual identification of the
parts listed below:
(A) Interlock arm assembly
(B) Castell lock CL1019 with key CL1062—
specify unique lock lettering code when ordering
(Castell keylock not supplied)
(C) Castell keylock mounting plate
(D) Interlock adapter
(E) Hold-down bracket
(F) Torsion spring
(G) Spring pin
(H) Hex standoff
(I) Extension spring
(J) Adapter screw
(K) Standoff screw (1/8-inch shoulder)
(L) Interlock cable
(M) Retaining clip (M5 x 0.7)
(N) Interlock lever
(O) Lock mounting plate screw (three)
(P) Interlock lever screw (M3.5 x 10 tapping)
