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234-P数据手册规格书PDF详情
Description
The PumpSaver® Plus Model 234-P protects single-phase pumps from dry-well, dead-head, rapid-cycle, jammed impellers,
and over/undervoltage conditions. Typical applications include residential waterwells, commercial waterwells, irrigation
wells, golf courses, and other sprinkler systems. The Model 234-P is designed to be mounted inside a Grundfos* control
box** to protect 1⁄3–3 hp, 2- or 3-wire, 230 V pumps. An infrared LED communicates directly with a hand-held diagnostic
tool called the Informer (sold separately).
A calibration adjustment allows the 234-P to be calibrated to your specific pumping applications, reducing the possibility
of false or nuisance tripping. A unique microcontroller-based voltage and current-sensing circuit constantly monitors the
incoming power for fluctuations, overcurrent, and undercurrent. When an abnormality such as loss of suction is detected,
the 234-P deactivates its output relay and directly disconnects the pump motor. The 234-P then begins its user-selectable
restart delay (dry-well recovery) timer. When the timer counts to zero or power is removed and reapplied, the 234-P
reactivates its output relay and turns the pump back on. By leaving the restart delay knob in the reset position, the 234-P
will operate in manual reset mode.
The Informer displays parameters including calibration points, trip points, run time and last faults. An IR Kit-12 (12” fiber
optic kit) allows the Informer to access these parameters even when the 234-P is enclosed in a control box. This is valuable
for troubleshooting the pump while it is running.
NOTE: The PumpSaver® models have a sensitivity adjustment for the dry-well trip point. After calibration is done, you can adjust the sensitivity for the dry-well/dead-head trip point
from 70 - 90 of the full load. This makes the unit even more adaptable to varying pumping applications. If you have a very low producing well, increase the sensitivity closer to the
90 mark, or if you have a very heavy producing well, decrease the sensitivity around the 70 mark.
* Grundfos is a trademark of its respective owner.
**The Model 234-P is not recommended for use with the Grundfos Deluxe Control Box.
FEATURES BENEFITS
Proprietary microcontroller-based circuitry Constant monitoring of voltage and current protects pumps from
fault conditions
Onboard sensitivity adjustment Allows user to adjust the current sensitivity for the dry-well/deadhead
trip point from 70 –90 of the full load
Adjustable restart delay Allows user to select well recovery time delay after a dry-well
condition occurs, or to select manual reset
Built-in IR communications link Used with the Informer, allows user to see stored faults, run time,
and also troubleshoot the pump while it’s running
LED indication Provides status and diagnostics for troubleshooting
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
LUCKYLIGHT |
24+ |
LED |
68900 |
一站配齐 原盒原包现货 朱S Q2355605126 |
|||
SHARP |
22+ |
QFP32 |
40201 |
原装正品现货 |
|||
原装SHARP |
19+ |
QFP32 |
20000 |
原装现货假一罚十 |
|||
SHARP/夏普 |
1942+ |
QFP32 |
9852 |
只做原装正品现货或订货!假一赔十! |
|||
原装SHARP |
21+ |
QFP32 |
35200 |
一级代理/放心采购 |
|||
RAYCHEM |
新 |
100 |
全新原装 货期两周 |
||||
CANDD |
23+ |
原厂原包 |
19960 |
只做进口原装 终端工厂免费送样 |
|||
Murata |
19+ |
100000 |
原装正品价格优势 |
||||
MURATA/村田 |
23+ |
SMD |
36000 |
专业电感电容电阻一站式配套齐可售样品 |
|||
MURATA |
20+ |
电感器 |
3483 |
就找我吧!--邀您体验愉快问购元件! |
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Littelfuse Inc. 力特公司
Littelfuse-Littelfuse(NASDAQ:LFUS)-作为电路保护领域的全球领导厂商,Littelfuse的产品品牌包括POWR-GARD、Teccor、Wickmann、Pudenz、Hamlin、PulseGuard和SIDACtor,以及覆盖广泛的技术,如保险丝及配件、PTC、GDT、变阻器、聚合物ESD抑制器、浪涌保护模块、TVS二极管、TVS二极管阵列(SPA?二极管)、开关晶闸管、电源模块、LED保护器、SIDACtor?保护晶闸管,以及簧片开关、继电器和霍尔效应传感器。Littelfuse产品背后依托行业领先的、超过88年的技术创新、技术支持、设计和制造经验。Li