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参数资料
| 型号： | 84874120 |
| 厂商： | Crouzet USA |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | HT81-2 24-240VAC/DC UN |
| 其它有关文件： | Declaration of Conformity |
| 标准包装： | 1 |
| 系列： | * |
10/04/2014
Temperature control relay for lift service rooms - according to EN81 - 35 mm HT81 -2 Part number 84874120
Control relay designed to monitor the temperature in lift machine rooms in accordance with standard EN81
PT100 input
Adjustable control between 5 °C and 40 °C
Independent setting of high and low thresholds
Built-in phase control option
Part numbers
www.crouzet.com
Type
Function
Nominal voltage (V)
3-phase control
84874120
HT81 -2
Under/Overtemperature window mode
24?→240?V?AC/DC
-
Specifications
Supply
Supply voltage Un
Voltage supply tolerance
Operating range
Polarity with DC voltage
AC supply voltage frequency
Power consumption at Un
Immunity from micro power cuts
Inputs and measuring circuit
Low temperature measurement selection
High temperature measurement selection
Temperature measurement input resistance
Fixed hysteresis
Display precision
Max. length of Pt100 probe cables
Timing
Delay on thresold crossing
Display precision
Reset time
Delay on pick-up
Maximum response time on disappearance of fault
24?V?→240?V?AC/DC
-15 %, + 10 % AC
-10 %, +10 % DC
20,4?V?→264?V?AC
21,6?V?→264?V?DC
No
50 / 60 Hz ±10 %
3.5 VA in AC/0.6 W in DC
10 ms
-1 °C, 1 °C, 3 °C, 5 °C, 7 °C, 9 °C, 11 °C
34 °C, 36 °C, 38 °C, 40 °C, 42 °C, 44 °C, 46 °C
1330 Ω
2 °C
±2%
10 m
1?→10?s
0, + 10 %
8s
200 ms
3.5 s for a temperature fault
500 ms for a phase fault
Output
Type of contacts
Maximum breaking voltage
Max. breaking current
Min. breaking current
Electrical life (number of operations)
Breaking capacity (resistive)
Maximum rate
Operating categories acc. to IEC/EN 60947-5-1
Mechanical life (operations)
Insulation
Insulation coordination (IEC/EN 60664-1)
Rated impulse withstand voltage (IEC/EN 60664-1)
Dielectric strength (IEC/EN 60664-1)
Insulation resistance (IEC/EN 60664-1)
General characteristics
Display power supply
Temperature indication
"Phase" indication
High threshold relay
Low threshold relay
Casing
Mounting
No cadmium
250 V AC/DC
5 A AC/DC
10 mA / 5 V DC
1 x 10 4
1250 VA AC
360 operations/hour at full load
AC 12, AC 13, AC 14, AC 15, DC 12, DC 13, DC 14
30 x 10 6
Overvoltage category III : degree of pollution 3
4 kV (1,2 / 50 μ s)
2 kV AC 50 Hz 1 min.
> 100 M Ω? - 500 V DC
Green LED
Yellow LED (HWT81)
Yellow LED (HWT81)
Yellow LED (HT81, HT81-2)
Yellow LED (HT81, HT81-2)
35 mm
On 35 mm symmetrical DIN rail, IEC/EN 60715
Unless otherwise specified, the characteristics given are applicable to all or part of the product range selected
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