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Micrologic™ 2.0A, 3.0A, 5.0A, and 6.0A Electronic Trip Units 48049-136-05
Section 6—Battery Replacement Rev. 01, 07/2012
© 1999–2012 Schneider Electric All Rights Reserved34-EN
ENGLISH
Section 6—Battery Replacement
Circuit Breaker Disconnection
Disconnect circuit breaker as directed in the
circuit breaker instruction bulletin shipped with
the circuit breaker.
Circuit Breaker Accessory Cover
Removal
Remove circuit breaker accessory cover as
directed in the Install Accessories section of the
circuit breaker instruction bulletin shipped with
the circuit breaker.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E or CSA Z462.
• This equipment must be installed and serviced only by qualified electrical
personnel.
• Turn off all power supplying this equipment before working on or inside
equipment. Follow instructions shipped with circuit breaker to disconnect
and reconnect circuit breaker.
• Replace all devices, doors and covers before returning equipment to
service.
Failure to follow this instruction will result in death or serious injury.
Withstand Module Shifting
NOTE: R-frame and NS1600b–NS3200 circuit
breakers only.
Loosen screws (A) securing withstand module
(B). Swing module to side to access trip unit
battery cover. Do not remove withstand module
connector.
Figure 50: Shift Withstand Module
Battery Replacement
1. Insert small screwdriver blade into battery
housing cover notch and rotate to slide
battery housing cover (A) out of trip unit.
Figure 51: Remove Battery Cover
2. Remove battery (A).
3. Insert new battery (B). Make sure that the
polarity is correct.
4. Replace battery housing cover (C).
Figure 52: Replace Battery
06123145
A
B
A
06
1
333
7
3
LITHIUM BATTERY
3.6V - SL - 550/S
SONNENSCHEIN
06
1
333
7
5
LITHIUM BATTERY
3.6V - SL - 550/S
SONNENSCHEIN
06
1
333
74
LITHIUM BATTERY
3.6V - SL - 550/S
SONNENSCHEIN
A
B
C