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35040026

更新时间： 2024-11-28 14:56:39
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力特 - LITTELFUSE 光电二极管
页数 文件大小 规格书
2页 216K
描述
The 350-200 has a 15A general purpose contact. The 350-400 provides a SPDT (Form C) relay rated to

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 浏览型号35040026的Datasheet PDF文件第2页 
Protection Relays  
Voltage Monitoring Relays  
350 SERIES  
3-phase voltage/phase monitor  
Description  
The 350 series is a heavy-duty voltage monitor. This product  
should be used when high current relays or dual contacts are  
required, or 480 V controls are used. Since the 350 series uses  
heavy-duty relays, it comes in fixed voltage range models rather  
than a dual auto-ranging version like the model 250.  
The 350200 has a 15 A general purpose contact. The 350400  
provides a SPDT (Form C) relay rated to switch up to 600 V,  
allowing the use of 480 V controls, eliminating the need for a  
control power transformer to step the voltage down to  
120–240 V. Several DPDT (two Form C contacts) relay models  
are also available.  
The 350 microcontroller-based family of products are low cost  
yet highly advanced solutions to heavy-duty problems. The 350  
includes advanced single LED diagnostics. Five different light  
patterns distinguish faults and normal operating conditions.  
Other options such as high voltage trip and adjustable restart  
delay are available.  
Wiring Diagram  
Features & Benefits  
FEATURES  
BENEFITS  
Proprietary  
microcontroller  
based circuitry  
Constantly monitors 3 phase voltage to protect  
against harmful line conditions, even before the  
motor is started  
Provides diagnostics which can be used for  
troubleshooting and to determine relay status  
Advanced LED indication  
Adjustable restart delay  
(-2 models) settings  
Allows staggered start up of multiple motors, after  
a fault, to prevent a low voltage condition  
600V rated relay  
contacts available  
on some models  
Eliminates the need for a control transformer to step  
voltage down to 120–240 V for a control circuit  
Ordering Information  
MODEL  
LINE VOTAGE  
DESCRIPTION  
MODEL  
LINE VOTAGE  
DESCRIPTION  
DPDT, 2 relays (1)10a. (1) 15 A; fixed trip and  
variable restart delay (manual, 2–300s)  
350200  
190–240 V ac  
SPDT, fixed trip and restart delay  
35040026  
380–480 V ac  
SPDT, fixed trip and variable restart delay  
(manual, 2–300 s)  
DPDT, 2 relays 15 A; variable restart delay  
(no manual reset)  
3502002  
190–240 V ac  
190–240 V ac  
35040028** 380–480 V ac  
DPDT, 2 relays (1)10a. (1) 15 A; fixed trip and  
variable restart delay (manual, 2–300 s)  
SPDT, fixed trip and variable restart delay  
(manual, 2–300 s), plus high voltage detection  
35020026  
35040029  
350600  
380–480 V ac  
DPDT, 2 relays 15 A; variable restart delay  
(no manual reset)  
35020028** 190–240 V ac  
475–600 V ac SPDT, fixed trip and restart delay  
SPDT, fixed trip and variable restart delay  
SPDT, fixed trip and restart delay  
475–600 V ac  
35020029  
350400  
190–240 V ac  
380–480 V ac  
380–480 V ac  
380–480 V ac  
3506002  
35060026  
(manual, 2–300 s), plus high voltage detection  
(manual, 2–300 s)  
DPDT, 2 relays (1)10a. (1) 15 A; fixed trip and  
variable restart delay (manual, 2–300 s)  
SPDT, fixed trip and restart delay  
475–600 V ac  
SPDT, fixed trip and variable restart delay  
(manual, 2–300 s)  
DPDT, 2 relays 15 A; variable restart delay  
(no manual reset)  
3504002  
35040025  
35060028** 475–600 V ac  
35060029 475–600 V ac  
DPDT, fixed trip and variable restart delay  
(manual, 2–300 s)  
SPDT, fixed trip and variable restart delay  
(manual, 2–300 s), plus high voltage detection  
** These units are not equipped with Manual Reset.  
© 2020 Littelfuse, Inc.  
www.littelfuse.com/350  
Rev: 12-A-0621721260  
12

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