| Prod Model: |
LR2 LRD 3UA |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Model No: |
Lr2 Lrd 3ua |
| Function: |
AC Thermal Overload Relay |
| Certification: |
CE CCC |
| Operation: |
Manual Type |
| Rated Current(a): |
AC4 |
| Volt: |
24V-660V |
| Hz: |
50/60Hz |
| Number Of The Contacts: |
3p+No 3p+Nc |
| Circumstance Temperature: |
-5°c~40°c |
| Brand: |
Suntree/OEM |
Product Description
lr2-d13 telemecanique thermal overload relay LR2 LRD 3UA
LR2 D33 Thermal Overload protection Relay
1.Application
This series of thermal relay can be used in the circuit of 50Hz or 60Hz,rated insulation voltage 660V,rated current 0.1-96A for protecting the phase break when the electric motor is overload. The relay has different mechanism and temperature compensation & can be plugged in LC1-D series AC contactor.It is the most advanced thermal relay in the nineties in the world.
2.Characteristic
A.Fundamental parameter of the main circuit
(a).Rated insulation voltage 660V.
(b).Rated working current 25,36,93A separately.
(c).The regulator seal of rated setting current and setting.
(d).Current of the thermal component(see list 1)
B.Auxiliary Circuit
(a).There is one pair of NO/ and N/C contact with electric insulation.
(b).Rated insulation voltage 500V.
(c).Rated frequency 50-60Hz.
(d).Use group, rated working voltage ,appoint thermal current and rated current.
Motion Characteristic: Three-phase Balance Motion Time
| No | Times of the setting current | Motion time | Start condition | Ambient temperature |
| 1 | 1.05 | >2h | Cold state | 20±5oC |
| 2 | 1.2 | <2h | Heat state(Following the No.1 test) |
| 3 | 1.5 | <4min |
| 4 | 7.2 | 10A | 2s< Tp≤10s | ≤63A | Cold state |
| 10 | 4s< Tp≤10s | >63A |
Phase-losing Motion Characteristic
| No | Times of the setting current | Motion time | Start condition | Ambienttemperature |
| Any two phases | Another phase |
| 1 | 1.0 | 0.9 | >2h | Cold state | 20±5oC |
| 2 | 1.15 | 0 | <2h | Heat state(Following the No.1 test) |
Specification
| Type | Number | Setting range (A) | For contactor |
| LR2-D13 | 1301 | 0.1~0.16 | CJX2-09~32 |
| 1302 | 0.16~0.25 | CJX2-09~32 |
| 1303 | 0.25~0.4 | CJX2-09~32 |
| 1304 | 0.4~0.63 | CJX2-09~32 |
| 1305 | 0.63~1 | CJX2-09~32 |
| 1306 | 1~1.6 | CJX2-09~32 |
| 1307 | 1.6~2.5 | CJX2-09~32 |
| 1308 | 2.5~4 | CJX2-09~32 |
| 1310 | 4~6 | CJX2-09~32 |
| 1312 | 5.5~8 | CJX2-09~32 |
| 1314 | 7~10 | CJX2-09~32 |
| 1316 | 9~13 | CJX2-09~32 |
| 1321 | 12~18 | CJX2-09~32 |
| 1322 | 17~25 | CJX2-32 |
| LR2-D25 | 2353 | 23~32 | CJX2-09~32 |
| 2355 | 30~40 | CJX2-09~32 |
| LR2-D33 | 3322 | 17~25 | CJX2-09~32 |
| 3353 | 23~32 | CJX2-09~32 |
| 3355 | 30~40 | CJX2-09~32 |
| 3357 | 37~50 | CJX2-09~32 |
| 3359 | 48~65 | CJX2-09~32 |
| 3361 | 55~70 | CJX2-09~32 |
| 3363 | 63~80 | CJX2-09~32 |
| 3365 | 80~93 | CJX2-95 |
| LR2-D43 | 4365 | 80~104 | CJX2-95 |
| 4367 | 95~120 | CJX2-95~115 |
| 4369 | 110~140 | CJX2-115 |
3UA thermal relay is suitable for AC 50/60Hz, voltage up to 660V and current up to 630A, general AC motor of long or
discontinuous long operation, used as overload protection and hasthe functions of breaking phase protection,
temperature compensation, and trip indication. It can automatically and manually get back. It can be fixed with contactor
LC1 together, also beindependtly fixed.
The product conforms to IEC60947-4-1 stardand.
Motion Characteristic: Three-phase Balance Motion Time
| No | Times of the setting current | Motion time | Start condition | Ambient temperature |
| 1 | 1.05 | >2h | Cold state | 20±5oC |
| 2 | 1.2 | <2h | Heat state(Following the No.1 test) |
| 3 | 1.5 | <4min |
| 4 | 7.2 | 10A | 2s| ≤63A | Cold state | |
| 10 | 4s| >63A | |
Phase-losing Motion Characteristic
| No | Times of the setting current | Motion time | Start condition | Ambient temperature |
| Any two phases | Another phase |
| 1 | 1.0 | 0.9 | >2h | Cold state | 20±5oC |
| 2 | 1.15 | 0 | <2h | Heat state(Following the No.1 test) |
Technical Data
| Type | Number | Setting range(A) | Applied Contactor |
| 3UA54 | 1G | 4~6.3 | LC1-D-32 |
| 1J | 6.3~10 |
| 2A | 10~16 |
| 2B | 12.5~20 |
| 2C | 16~25 |
| 2D | 20~32 |
| 2Q | 25~36 |
| 3UA58 | 1G | 4~6.3 | LC1-D-45
LC1-D-63
LC1-D-75
LC1-D-85 |
| 8A | 11~17 |
| 2B | 12.5~20 |
| 2C | 16~25 |
| 2D | 20~32 |
| 2E | 25~40 |
| 2F | 32~50 |
| 2T | 40~57 |
| 2P | 50~63 |
| 2V | 57~70 |
| 2U | 63~80 |
| 8W | 70~88 |
| Type | Number | Setting range(A) | Applied Contactor |
| 3UA59 | 0A | 0.1~0.16 | LC1-D-09~63 |
| 0C | 0.16~0.25 |
| 0E | 0.25~0.4 |
| 0G | 0.4~0.63 |
| 0J | 0.63~1 |
| 0K | 0.8~1.25 |
| 1A | 1~1.6 |
| 1B | 1.25~2 |
| 1C | 1.6~2.5 |
| 1D | 2~3.2 |
| 1E | 2.5~4 |
| 1F | 3.2~5 |
| 1G | 4~6.3 |
| 1H | 5~8 |
| 1J | 6.3~10 |
| 1K | 8~12.5 |
| 2A | 10~16 |
| 2B | 12.5~20 |
| 2C | 16~25 |
| 2D | 20~32 |
| 2E | 25~40 |
| 2M | 32~45 |
| 2T | 40~57 |
| 2P | 50~63 |
| 3UA62 | 2H | 55~80 | LC1-D-170
LC1-D-205 |
| 2W | 63~90 |
| 2X | 80~110 |
| 3H | 90~120 |
| 3J | 110~135 |
| 3K | 120~150 |
| 3L | 135~160 |
| 3M | 150~180 |
| 3UA68 | 3F | 320~500 | LC1-D-400 |
| 3G | 400~630 |
| Reference | Setting Current
Range | aM | gG | BS88 |
| LRD01 | 0.1-0.16 | 0.25 | 2 | - |
| LRD02 | 0.16-0.25 | 0.5 | 2 | - |
| LRD03 | 0.25-0.40 | 1 | 2 | - |
| LRD04 | 0.40-0.63 | 1 | 2 | - |
| LRD05 | 0.63-1 | 2 | 4 | - |
| LRD06 | 1-1.7 | 2 | 4 | 6 |
| LRD07 | 1.6-2.5 | 4 | 6 | 10 |
| LRD08 | 2.5-4 | 6 | 10 | 16 |
| LRD10 | 39909 | 8 | 16 | 16 |
| LRD12 | 5.5-8 | 12 | 20 | 20 |
| LRD14 | 40004 | 12 | 20 | 20 |
| LRD16 | 40069 | 16 | 25 | 25 |
| LRD21 | 40165 | 20 | 35 | 32 |
| LRD22 | 16-24 | 25 | 50 | 50 |
| LRD32 | 23-32 | 40 | 63 | 63 |
| LRD35 | 30-38 | 50 | 80 | 80 |
| LRD3322 | 17-25 | 25 | 50 | 50 |
| LRD3353 | 23-32 | 40 | 63 | 63 |
| LRD3355 | 30-40 | 40 | 100 | 80 |
| LRD3357 | 37-50 | 63 | 100 | 100 |
| LRD3359 | 48-65 | 63 | 100 | 100 |
| LRD3361 | 55-70 | 80 | 125 | 125 |
| LRD3363 | 63-80 | 80 | 125 | 125 |
| LRD3365 | 80-104 | 100 | 160 | 160 |
| LRD4365 | 80-104 | 125 | 200 | 160 |
Xinchi Electric Co., Ltd. is the best one, which stands out above the rest in China intelligent low voltage electrical field, meanwhile it is a grouping company in the "city of electrical".There are four branch companies subordinate to it:Yueqing Xinchi Electric Sci-Tech Co., Ltd, Yueqing Imp&Exp Co., Ltd, HK Yangming Electrical Technology Co., Ltd and Wenzhou Litto smart Co., Ltd.Moreover.There are 320 workers, the annual output value breakthrough one hundred million, and the export value arrive at ten million.
We always pay attention to manufacture and sell automatic industrial and control system, modular intelligent electrical equipments, such as circuit breakers, residual circuit breakers, contactors, isolators, solid state relay, control and protect switch, automatic transfer switch, electrical fire detecting system, surger protect device, multifunctional meter and new energy system fittings etc.
Especially DC circuit breaker, DC isolating switch, DC fuse, busbar chamber, waterproof switch and other products with leading technical level in this field...We are the first domestic company with CE, CB, IEC, Nemko, SAA, TUV, ISI and CCC certification.Our products are widely used by domestic famous enterprises, and it has become a OEM partner of many international famous brands.
We have fully implement the IS09001:2008 quality management system.It adopts advanced production equipment and precision detecting equipment, introduces high-tech process and high technology talents to provides powerful guarantee for product development, quality upgrading and management innovation of the company.
In order to seek after the excellence, Xinchi will continue to carry on the spirit of "practice, honesty, innovation, active", insist on the policy of " technology promotes industry, Brand promotes industrial", and we believe in "Technology innovation, famous in the world", working hard to let"XINCHI electric brand"walk towards to the world.
