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参数资料
| 型号： | R21-4-7.50A-B06IV-V |
| 厂商： | Sensata Technologies/Airpax |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | CIRCUIT BREAKER ROCKER DP 7.5A |
| 产品目录绘图： | R11 Series |
| 标准包装： | 70 |
| 系列： | SNAPAK® |
| 断路器类型： | 磁性（液力延迟） |
| 电压： | 250VAC |
| 电流 - 跳闸(It)： | 7.5A |
| 极数： | 2 |
| 触动器类型： | 摇臂 |
| 安装类型： | 面板安装 |
| 产品目录页面： | 2441 (CN2011-ZH PDF) |
| 其它名称： | 723-1176 |
10000
1000
INSTANT
DELAY CURVES & SPECIFICATIONS
100
10
1
.1
.01
.001
0
100 150 200
135
300 400 500 600 700
PERCENT OF RATED CURRENT
800
900
1000
400 Hz, DC, 50/60Hz Delay Curves (typ)
A choice of delays is offered for DC, 50/60Hz and 400Hz
applications. Delays 0, 49, 59 and 69 provide fast-acting,
instantaneous trip and are often used to protect sensitive
electronic equipment (not recommended where known inrush
exists). Delays 1, 41, 51 and 61 have a short delay for general
purpose applications. Delays 2, 42, 52 and 62 are long enough to
start certain types of motors and most transformer and
capacitor loads.
Trip Free
Will trip open on overload, even when forcibly held on.This
prevents operator from damaging the circuit by holding handle
in the ON position.
10000
Trip Indication
1000
100
10
1
.1
.01
FAST
The operating handle moves forcibly and positively to the OFF
position on overload.
Ambient Operation
Operates normally in temperatures between –40° C and +85°C.
Insulation Resistance
Not less than 100 megohms at 500Vdc.
.001
0
100 150 200
135
300 400 500 600 700
PERCENT OF RATED CURRENT
800
900
1000
Dielectric Strength
Withstands 1500 volts, 60Hz for 60 seconds or 1800Vac for one
second between all electrically isolated terminals.
10000
1000
100
10
1
.1
.01
SLOW
Endurance
Mechanical life in excess of 50,000 operations. In many
applications, however, contact wear due to the electrical load
determines unit life. At maximum electrical ratings, the
SNAPAK ? can perform 10,000 operations at rated current and
voltage. Under UL 1077, the SNAPAK ? can perform 50
operations at 150% of maximum rated current followed by 6,000
operations at maximum rated current. Under VDE 0642
(EN60934) the SNAPAK ? can perform 6,000 electrical
operations. After any endurance cycle, the breaker will
calibrate and have working dielectric strength.
.001
0
100 150 200
135
300 400 500 600 700
PERCENT OF RATED CURRENT
800
900
1000
SNAPAK ? Series - Delay Curves
64
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