SPECIFICATIONS
ENCLOSED AUTOMATIC TRANSFER SWITCH
Enclosure Size
Type 1 . . . . . . . . . . . . . . . . . . 24” H x 14¼” W x 8” D (610 mm H x 362 mm W x 203 mm D)
Type 3R . . . . . . . . . . . . . . . 25” H x 14¾” W x 8½” D (635 mm H x 375 mm W x 216 mm D)
Weight Type 1 enclosure | 67 lb |
Type 3R enclosure | 82 lb |
Temperature
Operating . . .
TRANSFER SWITCH
Poles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Voltage (nominal) . . . . . . . . . .
Withstand /
per National Electrical Code, NEC/NFPA 70
100 amp. Transfer Switch power terminals accept wire sizes one #14 to 4/0 AWG AL or CU
200 amp. Transfer Switch power terminals accept wire sizes one #14 to 4/0 AWG CU (copper only)
230 amp. Transfer Switch power terminals accept wire sizes one #14 to 4/0 AWG CU (copper only)
CONTROLLER
Voltage (nominal) . . . . . . . . . . . . . . . . . . . . . .
Frequency (nominal) alternate (generator) source . 60 Hz Pickup (source acceptable) . . . . . . . . . . . . . . . 57 Hz Dropout (source unacceptable) . . . . . . . . . . . 54 Hz
Generator control contacts
Start / Stop spdt 5 A max / 300 mA min at 30 V dc max. terminals accept #22 to #14 AWG stranded copper wire per terminal
Time Delays
Ignore preferred (utility) source outages . . . . . . . . 3 sec. Ignore alternate (generator) source outages . . . . 15 sec. Load transfer to alternate (generator) source . . . 15 sec. Load retransfer to preferred (utility) source . . . . . . 5 min. Generator cooldown period (after load retransfer) 1 min.
Automatic Generator Exerciser
Repeat time . . . . . . . . . . . . . . . . . . . . . . every 14 days Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 minutes
INTRODUCTION
INTRODUCTION
ASCO Series 165 Automatic Transfer Switches are Listed under the Underwriter’s Laboratories Standard for Transfer Switch Equipment,
This automatic transfer switch is intended for standby power applications in residential or light commercial use only.
!
The Series 165 Automatic Transfer
Switch is not for emergency or
This product is not intended for emergency or
If you have more stringent application requirements contact ASCO for other products suitable for critical applications.
The automatic transfer switch helps provide safe connection of the alternate source (generator) to the electrical load after disconnecting the preferred source (utility). It contains a
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