JPH0241630U - - Google Patents
Info
- Publication number
- JPH0241630U JPH0241630U JP11881888U JP11881888U JPH0241630U JP H0241630 U JPH0241630 U JP H0241630U JP 11881888 U JP11881888 U JP 11881888U JP 11881888 U JP11881888 U JP 11881888U JP H0241630 U JPH0241630 U JP H0241630U
- Authority
- JP
- Japan
- Prior art keywords
- contact
- tripping
- motor
- overcurrent
- overcurrent relay
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Protection Of Generators And Motors (AREA)
Description
第１図は本考案の一実施例を示したモータの保
護装置の回路図で、第２図は従来例を示した第１
図相当図である。
図面中、１１は主回路、１３は電磁接触器、１
４は過電流継電器、１６はモータ、１８は引外し
用接点、２８は補助接点を示す。
Fig. 1 is a circuit diagram of a motor protection device showing an embodiment of the present invention, and Fig. 2 is a circuit diagram of a motor protection device showing an example of a conventional example.
It is a figure equivalent figure. In the drawing, 11 is the main circuit, 13 is a magnetic contactor, 1
4 is an overcurrent relay, 16 is a motor, 18 is a tripping contact, and 28 is an auxiliary contact.
Claims (1)
出した時に引外し用接点の開路により電磁接触器
に引外し動作をさせてモータを保護するようにし
たものにおいて、前記過電流継電器に前記引外し
用接点のほかに外部表示装置における状態表示の
ための補助接点を設けるとともに前記引外し用接
点と並列に異常報知用の表示灯を設けたことを特
徴とするモータの保護装置。 When an overcurrent is detected by an overcurrent relay installed in the main circuit, a tripping contact is opened to cause a magnetic contactor to perform a tripping operation to protect the motor, wherein the overcurrent relay is provided with a tripping contact. 1. A protection device for a motor, characterized in that an auxiliary contact is provided in addition to the contact for status display on an external display device, and an indicator light for notifying an abnormality is provided in parallel with the tripping contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11881888U JPH0241630U (en) | 1988-09-12 | 1988-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11881888U JPH0241630U (en) | 1988-09-12 | 1988-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0241630U true JPH0241630U (en) | 1990-03-22 |
Family
ID=31363498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11881888U Pending JPH0241630U (en) | 1988-09-12 | 1988-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0241630U (en) |
-
1988
- 1988-09-12 JP JP11881888U patent/JPH0241630U/ja active Pending
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