1840 查看數據表（PDF） - Tyco Electronics -> TE Connectivity
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1840 Datasheet PDF : 2 Pages
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Paralleling Relays
Selection Guide
(Typical Applications)
Function:
Sensing Voltage
120 Volts
230 Volts
380 Volts
460 Volts
575 Volts
415 Volts
277 Volts
Series 1800
Generator to Generator
Series 1800DB
Generator to Bus
Series 1800DDB
Bus to Bus
Permits paralleling of two generators
only when they are "on-line" and
their voltages are equal and in phase
(synchronized)
Normally used to permit
paralleling of a generator to a
bus when: (a) both line
voltages are equal and in phase,
or: (b) when the generator is
"on-line" and the bus is "dead"
Permits paralleling of two power
lines (buses) when: (a) both line
voltages are equal and in phase, or:
(b) when either bus is "hot" and the
other bus is "dead"
1810X
1820X
1830X
1840X
1850X
1860X
1870X
1810DBX
1820DBX
1830DBX
1840DBX
1850DBX
1860DBX
1870DBX
1810DDBX
1820DDBX
1830DDBX
1840DDBX
1850DDBX
1860DDBX
1870DDBX
Line 1
1
Line 2
Line 1
2
Line 2
Line 1
3
Line 2
Line 1
4
Line 2
Line 1
5
Line 2
Condition
Energized
X
X
X
X
X
X
Not
Energized
X
X
X
X
Synch.
Series 1800
Contacts
N.C.
N.O.
Open Close
Yes
No
Close Open
No
Close Open
Close Open
Close Open
Series 1800DB
Contacts
N.C.
N.O.
Open Close
Close Open
Open Close
Close Open
Close Open
Series 1800DDB
Contacts
N.C.
N.O.
Open Close
Close Open
Open Close
Close Open
Open Close
Output Contact Options: 1. Two Form A. (Add -A to Model Number)
2. Two Form B. (Add -B to Model Number)
Tyco Electronics / www.tycoelectronics.com / Factory Direct Technical Support: 800-253-4560, ext. 2023 (U.S., Canada, Mexico) or 805-220-2020, ext. 2023 (International)
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