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| 型號(hào)： | S1721156415 |
| 文件頁(yè)數(shù)： | 1/3頁(yè) |
| 文件大?。?/td> | 71K |
| 代理商： | S1721156415 |
Specifications are subject to change without notice (26.10.99)
1
Current and Voltage Controls
3 Phase-neutral Max. and Min. Voltage Control
Types S 1721, SYY 155
Product Description
3-phase and neutral moni-
toring plug-in relay for sepa-
rate upper and lower voltage
control. Often used to control
all 3 phases and neutral where
the supplied electrical power
Ordering Key
Housing
Type
Output
Power supply
Monitoring relay for 3-phase upper/lower
phase-phase neutral voltage control
Measures if all 3 phase-neutral voltages are
within set limits
Measures on own power supply
Operates irrespective of phase sequence
Upper and lower limits separately adjustable
Built-in adjustable timer function
Output: 10 A SPDT relay
Plug-in type module
S-housing
LED-indication for power supply and output ON
Power supply is the 3-phase + N measuring voltage
is unstable or varies in value
in order to monitor that the
attached motors are perfor-
ming as required. The S 1721
features built-in time delay.
Input Specifications
Input
Pins 5, 6 & 7
Pin 11
Measuring ranges
(VAC)
Power supply (phase-phase)
Arbitrary phase sequence
Neutral
3x220 +N 3x380 +N 3x400+N
± 18%
± 18%
104-150 180-260 188-271
130-150 225-260 235-271
102-118% 102-118%
102-118%
104-124 180-215 188-225
82-98% 82-98% 82-98%
± 18%
Range (phase-neutral)
Upper level
Scale
Lower level
Scale
Power supply (phase-phase)
3x415+N
± 18%
204-276
252-276
102-118%
204-228
82-98%
measures value of own
supply. Range equals rms
value of a sinusoidal voltage
Range (phase-neutral)
Upper level
Scale
Lower level
Scale
Output
Rated insulation voltage
SPDT relay
250 VAC (rms)
(cont./elect.)
μ (micro gap)
10 A/250 VAC (2500 VA)
1 A/250 VDC (250 W)
10 A/25 VDC (250 W)
2.5 A/230 VAC
5 A/24 VDC
≥
30 x 10
6
operations
≥
2.5 x 10
5
operations
(at max. load)
≤
7200 operations/h
Contact ratings
(AgCdO)
Resistive loads
AC 1
DC 1
or
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
AC 1
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand volt.
≥
2 kVAC (rms) (cont./elect.)
4 kV (1.2/50 μs) (cont./elect.)
(IEC 60664)
Type Selection
Plug
Output
Timer
Supply: 220 VAC
Supply: 380 VAC
Supply: 400 VAC
Supply: 415 VAC
Circular
SPDT
Yes
S 1721 156 220
S 1721 156 380
S 1721 156 400
S 1721 156 415
Circular
SPDT
No
SYY 155 220
SYY 155 380
SYY 155 415
Output Specifications
S 1721 156 220
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| S172-12 | 功能描述:通用繼電器 12V DC-1GHz .15W RoHS:否 制造商:Omron Electronics 觸點(diǎn)形式:1 Form A (SPST-NO) 觸點(diǎn)電流額定值:150 A 線圈電壓:24 VDC 線圈電阻:144 Ohms 線圈電流:167 mA 切換電壓:400 V 安裝風(fēng)格:Chassis 觸點(diǎn)材料: |
| S172-12/28 | 制造商:Teledyne Relays 功能描述:CENTIGRID, 2PDT - Bulk 制造商:Teledyne Relays 功能描述:CENTIGRID SURFACE MOUNT COMMERCIAL RELAYS 制造商:Teledyne Relays 功能描述:RF RELAY |
| S1721-46 | 制造商:Harwin 功能描述: |
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| S1721-46R | 制造商:Harwin 功能描述:MINI SHIELD CLIP |
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