Siemens Generator Ready Load Centers Owner’s Manual
- June 9, 2024
- SIEMENS
Table of Contents
Generator Ready Load Centers
LOAD CENTERS &
1 CIRCUIT BREAKERS
Generator Ready Load Centers
1-Phase, 3-Wire SN, 120/240 Volts AC
Generator Ready Load Centers
The Siemens generator ready load center can save thousands of dollars in
future generator installation expenses while keeping initial expenses to a
minimum. Works with an automatic standby generator or a portable generator.
Load center features: n UL Listed n Indoor Type 1 and outdoor Type 3R n 225A
max rated n Flush or surface mounting n Fits between standard stud centers n
Tin plated copper bus bars n 22 kAIC rated n 120/240V ~ n Main lug
convertible to main breaker with addition of
MBK150A, MBK200A, or MBK225A n Installation of transfer mechanism can be
performed at time
of generator installation
Automatic transfer switch features: n UL Listed n Operates automatically when
connected to generator n Transfers load from utility to generator and back to
utility n Transfer switch (sold separately) catalog number:
GENTFRSWTCHac
Indoor Enclosure NEMA Type 1
Amp No. of No. of Rating Spacesb Circuitsb Catalog Number
200 30
42
G3042B1200GEN
225 30
42
G3042L1225GEN
200 42
54
G4254B1200GEN
225 42
54
G4254L1225GEN
Main Main Breaker Main Lug Main Breaker Main Lug
Enclosure Heightd 42 42 44 44
Outdoor Enclosure NEMA Type 3R
Amp No. of No. of Rating Spacesb Circuitsb Catalog Number
Main
200 30
42
W3042B1200GEN Main Breaker
225 30
42
W3042L1225GEN Main Lug
Enclosure Heighte
42
42
Revised on 03/31/20
NEMA 1 GENTFRSWTCH
a Q2125S provided with GENTFRSWTCH for use with automatic transfer mechanism.
b 2 spaces and 2 circuits are reserved for standby generator installation.
c Field install breaker for voltage sensing required. d Indoor enclosures are 14 1/4″ wide by 3 7/8″ deep. e Outdoor enclosures are 14 1/2″ wide by 4 1/4″ deep.
NEMA 3R
Siemens Industry, Inc. SPEEDFAXTM Product Catalog 1-17