rxhg-200 制動電阻器

品牌 克拉 型號 rxhg-200
種類 線繞 性能 通用
材料 線繞 工藝 普通線繞
外形 q 標(biāo)稱阻值 q
溫度系數(shù) % 額定功率 %（w）
調(diào)節(jié)方式 固定 功率特性 大功率
營銷方式 直銷 產(chǎn)品性質(zhì) 新品

產(chǎn)品名稱：rxhg-200型涂料繞線電阻
product name:rxhg-200series cement-coated wire wound resistors

型 號：rxhg-200
type: rxhg-200

產(chǎn)品介紹：rxhg型涂料繞線電阻器是一種功率型繞線電阻器，該產(chǎn)品采用波狀電阻合金帶以側(cè)立形式纏繞在陶瓷骨架上，表面被覆絕緣耐高溫涂料，有利于散熱，并配有安裝支架，電阻器具有功率大，耐過載能力強，安裝方便等特點。
product introduction: rxhg series cement-coated wire wound resistor is a kind of power wire wound resistor. the products use undee alloy belt and enwind on ceramic framework side stand, the surface is covered with dope which is insulating and can resistance to high temperature , it is good at emit heat and has the fixing bracket, the resistor has the ability of high power, low resistance, resistance to heat, easy to fix etc.

用    途：涂料繞線電阻廣泛用于變頻器制動，起重機械以及負(fù)載電阻之用。目前，已在電梯，機床，焊接等機電行業(yè)中應(yīng)用，并替代進(jìn)口。
purpose:   cement-coated wire wound resistor is used in transducer trig, derrick and as load resistor widely. it has be applied in machine and electricity industry of elevator, machine tool, jointing, and had replaced import.

■電氣及機械特性 electrical and mechanical specifications

特性
characteristics

規(guī)格
limits

試驗方法
test methods

阻值及阻值允許偏差
resistance and resistance tolerance

1ω≤r±5%（j） ,1ω>r±10%（k）

 jis-c-5202  5-1

額定負(fù)荷
power rating load

表面最高溫度: 5~200w≤275℃,＞200w≤350℃
the highest temperature on the surface

jis-c-5202  5-4

短時過負(fù)荷
short-time overload

無可見損傷，δr≤±（5%r+0.05ω）
no evidence of mechanical damage

jis-c-5202  5-5 10倍 5秒
1000% rated power 5 seconds
≥750w 3倍 5秒

絕緣電阻
insulation resistance

r≥100mω  1min

jis-c-5202  5-6    dc500v

耐電壓
dielectric withstanding voltage

無可見損傷，無飛弧擊穿 δr≤±（0.1%r+0.05）
no evidence of mechanical damage or insulation breakdown

jis-c-5202  5-7
ac：1500v

電阻溫度特性
temperature coefficient

±260ppm/℃(小于5ω以不作檢測)

jis-c-5202  5-2 b

端子強度
terminal strength

無松動或機械損傷
not loosely and no evidence of mechanical damage

jis-c-5202  6-1(2)

電阻體強度
resistor strength

無可見損傷
no evidence of mechanical damage

jis-c-5202  6-2

耐振性
vibration

無可見損傷，δr≤±（0.1%r+0.05ω）
no evidence of mechanical damage

jis-c-5202  6-3
1.5mm 10~55 hz/ 1minute

可焊性 （焊接類）
solderability

新焊錫覆蓋率為95%以上
95% coverage min.

jis-c-5202  6-5
270℃  5 seconds

■環(huán)境特性 environmental specifications

特性
characteristics

規(guī)格值
limits

試驗方法
test methods

耐熱性
heat resistance

除端子外無明顯變色和損傷，標(biāo)志清晰
no deterioration of protective coatings or markings

jis-c-5202  7-2
350℃  2hours

熱沖擊
thermal shock

無可見機械損傷
no evidence of mechanical damage

jis-c-5202  7-3
額定負(fù)載30分鐘后-55℃溫度下15min
after 30minutes rating load , 55℃ 15mintues

耐濕性
humidity

無可見損傷，標(biāo)志清晰，δr≤±（5%r+0.05ω），絕緣電阻≥10mω
no deterioration of protective coatings or markings

jis-c-5202  7-5  dc100 40℃ 95%rh 500hours

耐久性  (額定負(fù)載)
humidity   load life

外觀無可見損傷，標(biāo)志清晰，δr≤±（5%r±0.05ω）
no evidence of mechanical damage
no deterioration of protective coatings or markings

jis-c-5202  7-10     100%負(fù)荷 rated power load   90 min on 30 min off   500hours

 

■ 額定功耗曲線  power derating curve

環(huán)境溫度
environment temperature

0~20℃

20℃以上
above 20℃

功率損耗
pow derating

100%

見圖
see the fig.

● 型號說明 type explanation
rxhg被漆波繞電阻器，
rxhg is the moire wire-wound cement-coating fixed resistor

● 結(jié)構(gòu)說明 structure explanation
rxhg-a為電阻體與安裝支架之間不用瓷片隔離。
rxhg-a not using the porcelain sheet to separate the resistor body from the installation frame.

rxhg-b為電阻體與安裝支架之間使用瓷片隔離。
rxhg-b using the porcelain sheet to separate the resistor body from the installation frame.

rxhg-d型為電阻體兩端使用瓷片并在中間串一根螺栓。
rxhg-d  using the porcelain sheet on both of the two terminals and they are
series-connected by a screw bolt.