Siemens 3RB20 참조 매뉴얼 - 페이지 37
{카테고리_이름} Siemens 3RB20에 대한 참조 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Siemens 3RB20 46 페이지. Protection equipment, overload relays
Siemens 3RB20에 대해서도 마찬가지입니다: 사용 설명서 (6 페이지), 운영 지침 (4 페이지), 매뉴얼 (18 페이지)
페이지 인쇄
Type – Overload relay of evaluation module
Size
Width
Control and sensor circuit as well as the analog output
Rated insulation voltage U
i
1)
(degree of pollution 3)
Rated impulse withstand voltage U
1)
Rated control supply voltage U
s
• AC 50/60 Hz
• DC
1)
Operating range
• AC 50/60 Hz
• DC
1)
Rated power
• AC 50/60 Hz
• DC
1)
Mains buffering time
Thermistor motor protection (PTC thermistor detector)
• Summation cold resistance
• Response value
• Return value
Ground-fault detection
3)
I
• Tripping value
Δ
I
I
I
- For 0.3 ×
<
< 2.0 ×
e
motor
e
I
I
I
- For 2.0 ×
<
< 8.0 ×
e
motor
e
• Response time t
trip
3)4)
Analog output
• Output signal
• Measuring range
• Load, max.
Connection for the control and sensor circuit
as well as the analog output
Connection type
• Terminal screw
• Tightening torque
• Conductor cross-section (min./max.), 1 or 2 conductors
- Solid
- Finely stranded without end sleeve
- Finely stranded with end sleeve
- Stranded
- AWG cables, solid or stranded
Connection type
• Conductor cross-section (min./max.), 1 or 2 conductors
- Solid
- Finely stranded without end sleeve
- Finely stranded with end sleeve
- Stranded
- AWG cables, solid or stranded
1) Control circuit.
2) Sensor circuit.
3) In conjunction with corresponding function expansion module.
3RB22 83, 3RB23 83
S00 ... S10/S12
45 mm
V
300
1)
kV
4
imp
V
24 ... 240
V
24 ... 240
0.85 × U
0.85 × U
W
0.5
W
0.5
ms
200
2)
≤ 1.5
kΩ
kΩ
3.4 ... 3.8
kΩ
1.5 ... 1.65
The information refers to sinusoidal residual currents at 50/60 Hz
> 0.3 ×
> 0.15 ×
ms
500 ... 1000
mA
4 ... 20
0 to 1.25 ×
4 mA corresponds to 0 ×
16.8 mA corresponds to 1.0 ×
20 mA corresponds to 1.25 ×
Ω
100
Pozidriv size 2
Nm
0.8 ... 1.2
2
mm
1 × (0.5 ... 4), 2 × (0.5 ... 2.5)
2
mm
--
2
mm
1 × (0.5 ... 2.5), 2 × (0.5 ... 1.5)
2
mm
--
AWG
2 × (20 ... 14)
2
mm
2 × (0.25 ... 1.5)
2
mm
--
2
mm
2 × (0.25 ... 1.5)
2
mm
2 × (0.25 ... 1.5)
AWG
2 × (24 ... 16)
Overload Relays
3RB2 Solid-State Overload Relays
3RB22, 3RB23 for high-feature applications
≤ U
≤ 1.1 × U
s min
s
s max
≤ U
≤ 1.1 × U
s min
s
s max
I
e
I
motor
I
e
I
e
I
e
I
e
Screw terminals
Spring-type terminals
4) Analog input modules, e. g. SM 331, must be configured for 4-wire
measuring transducers. In this case the analog input module must not
supply current to the analog output of the 3RB22/3RB23 relay.
Siemens · 2011
35