Home > Products > Relay > Phase sequence protector fault phase protection TG30S relay TL-2238 elevator dedicated phase loss protection
Phase sequence protector fault phase protection TG30S relay TL-2238 elevator dedicated phase loss protection
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Product Description
Product Description
Phase sequence protector fault phase protection TG30S relay TL-2238 elevator dedicated phase loss protection
Specification
item | value |
Place of Origin | China |
Shanghai | |
Brand Name | Kailn |
Model Number | TG30S |
Theory | digital relay |
Usage | motor |
Size | 72*64*30 |
Name | Phase sequence protector |
model | TG30S |
Voltage | 220V~440V |
Output current | 5A |
Relative humidity | <90% |
Delayed action | <3S |
environment humidity | -25~+65℃ |
一、Characteristics of protection
1.Phase loss protection: It means that any phase occurs phase loss when the protected
circuit is in running or stopping status. In this case, the red indicator light will be lighted and be priority.
2.Phase opposite protection: It is a safeguard acting immediately, which protects L1, L2,
and L3 three phase against wrong connection sequence. In this case, the yellow indicator
light will be lighted.
3. Voltage imbalance protection: While a protection of voltage imbalance rate > 8%, the
imbalance of three phase voltage will affect the safe running of the equipment. In this case
that there is a phase losing, the red indicator light will be lighted and be priority.
4.Delay protection：When the fault happens, the monitor will delay 1~2 seconds to act and
release.
二、Characteristics of performance
1.The protection functions of relay don’t be affected by current intensity of circuit or load,
impulse current, imbalance current and load characteristic. The relay could long term work
under full capability and full climate. Power consumption is lower than 2W.
2. There is no requirement for connecting method when it is used in protection of motor.
3. This product measures up GB/T 14048.1-2000、GB14048.5-2001 eqv IEC60947-1:1999.
4. The EMC of the product measures up the limits and methods of measurement of radio
disturbance characteristics of GB4343-1995.
三、 Characteristics of working
1.If the connection of L1, L2 and L3 phases are right, the green light of the relay
illuminates and the relay closes. If they are wrong, the yellow light of the relay illuminates.
Exchanging any two of them, the relay will accept the phase sequence and begin to work
normally. In this case that there occurs yellow light illuminated and relay unclosed after the
protected equipment works normally, it should be a wrong connection of external circuit.
The relay has a function of protection against wrong connection.
2.While any of these L1, L2 and L3 phases is Na phase, the red light is lighted with the
unlighted green light and the released relay. While the voltage come back to normal, it will
recover immediately with lighted green light and closed relay.
3. L1, L2 and L3 connect with three phase AC. NO, COM are normally open contact point
and NC, COM are normally closed contact point. Use lead to connect terminal directly.
1.Phase loss protection: It means that any phase occurs phase loss when the protected
circuit is in running or stopping status. In this case, the red indicator light will be lighted and be priority.
2.Phase opposite protection: It is a safeguard acting immediately, which protects L1, L2,
and L3 three phase against wrong connection sequence. In this case, the yellow indicator
light will be lighted.
3. Voltage imbalance protection: While a protection of voltage imbalance rate > 8%, the
imbalance of three phase voltage will affect the safe running of the equipment. In this case
that there is a phase losing, the red indicator light will be lighted and be priority.
4.Delay protection：When the fault happens, the monitor will delay 1~2 seconds to act and
release.
二、Characteristics of performance
1.The protection functions of relay don’t be affected by current intensity of circuit or load,
impulse current, imbalance current and load characteristic. The relay could long term work
under full capability and full climate. Power consumption is lower than 2W.
2. There is no requirement for connecting method when it is used in protection of motor.
3. This product measures up GB/T 14048.1-2000、GB14048.5-2001 eqv IEC60947-1:1999.
4. The EMC of the product measures up the limits and methods of measurement of radio
disturbance characteristics of GB4343-1995.
三、 Characteristics of working
1.If the connection of L1, L2 and L3 phases are right, the green light of the relay
illuminates and the relay closes. If they are wrong, the yellow light of the relay illuminates.
Exchanging any two of them, the relay will accept the phase sequence and begin to work
normally. In this case that there occurs yellow light illuminated and relay unclosed after the
protected equipment works normally, it should be a wrong connection of external circuit.
The relay has a function of protection against wrong connection.
2.While any of these L1, L2 and L3 phases is Na phase, the red light is lighted with the
unlighted green light and the released relay. While the voltage come back to normal, it will
recover immediately with lighted green light and closed relay.
3. L1, L2 and L3 connect with three phase AC. NO, COM are normally open contact point
and NC, COM are normally closed contact point. Use lead to connect terminal directly.
Packing & Delivery
carton
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Company Profile
Shanghai Qiyi Electrical & Mechanical Equipment Co., Ltd. is a professional rotary encoder supplier, located in Chinese business and port center, Shanghai. CALT brand product ranges: Optical incremental rotary encoder, single-turn and multi-turn absolute encoder, draw-wire position sensor and couplings, and other instruments, which widely used in CNC machinery, textile machinery, steel rolling machinery, linear guide system, hydraulic system, lifting machinery and servo motor, all get a very good reputation!
Qiyi company has got independent import and export qualification in 2013, CALT brand products have been exported to Southeast Asia, Europe, America and Russia and other countries and regions in the world, we are adhering to the idea "credibility first, customer first, win-win cooperation" , strive for the highest quality products and services to contribute to our customers!
FAQ
1. who are we?
We are based in Shanghai, China, start from 2009,sell to South Asia(15.00%),Northern Europe(10.00%),North America(10.00%),Southern Europe(10.00%),Western Europe(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(8.50%),Mid East(5.00%),Southeast Asia(5.00%),Central America(3.00%),Eastern Asia(2.00%),Oceania(1.00%),Africa(0.50%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
rotary encoder,draw wire sensor,load cell,gear motor,manual pulse generator
4. why should you buy from us not from other suppliers?
1. We are familiar to many application fields Since with 8 years experience in sensors from founded 2009 2. 6 years export experience, customers from Europe, America, Australia, Asia, Africa 3. Can customize products for customer
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDU,Express Delivery；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
We are based in Shanghai, China, start from 2009,sell to South Asia(15.00%),Northern Europe(10.00%),North America(10.00%),Southern Europe(10.00%),Western Europe(10.00%),Eastern Europe(10.00%),South America(10.00%),Domestic Market(8.50%),Mid East(5.00%),Southeast Asia(5.00%),Central America(3.00%),Eastern Asia(2.00%),Oceania(1.00%),Africa(0.50%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
rotary encoder,draw wire sensor,load cell,gear motor,manual pulse generator
4. why should you buy from us not from other suppliers?
1. We are familiar to many application fields Since with 8 years experience in sensors from founded 2009 2. 6 years export experience, customers from Europe, America, Australia, Asia, Africa 3. Can customize products for customer
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,DDU,Express Delivery；
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
Contact Us
- Shanghai Qiyi Co., Ltd.
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