84874110 Crouzet USA, 84874110 Datasheet
84874110
Manufacturer Part Number
84874110
Description
HT81 24-240VAC/DC UN
Manufacturer
Crouzet USA
Datasheet
1.84874110.pdf
(3 pages)
Specifications of 84874110
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
03/11/2010
Temperature control relay for lift service rooms - according to EN81 - 35 mm HT81 -2 Part number 84874120
Supply
Inputs and measuring circuit
Timing
Output
Insulation
General characteristics
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
Low temperature measurement selection
High temperature measurement selection
Temperature measurement input resistance
Fixed hysteresis
Display precision
Max. length of Pt100 probe cables
Delay on thresold crossing
Display precision
Reset time
Delay on pick-up
Maximum response time on disappearance of fault
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 60947-5-1
Mechanical life (operations)
Insulation coordination (IEC 60664-1 / 60255-5)
Rated impulse withstand voltage IEC 60664-1/60255-5
Dielectric strength IEC 60664-1/60255-5
Insulation resistance IEC 60664-1 / 60255-5
Display power supply
Temperature indication
"Phase" indication
High threshold relay
Low threshold relay
Casing
Mounting
Mounting position
Material: enclosure plastic type VO to UL94 standard
Protection (IEC 60529)
Weight
Connecting capacity IEC 60947-1
84874110
84874120
84874130
HT81
HT81 -2
HWT81
Type
Under/Overtemperature window mode
Under/Overtemperature window mode
Under/Overtemperature window mode + phase sequence and failure
Function
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
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%
8 s
200 ms
3.5 s for a temperature fault
500 ms for a phase fault
No cadmium
250 V AC/DC
5 A AC/DC
10 mA / 5 V DC
1 x 10
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
Overvoltage category III: degree of pollution 3
4 kV (1,2 / 50 μs)
2 kV AC 50 Hz 1 min.
> 100 MΩ - 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
All positions
Incandescent wire test according to IEC 60695-2-11 & NF EN 60695-2-11
Terminal block: IP 20
IP 30 casing
121 g
Rigid: 1 x 4
4
6
2
- 2 x 2.5
2
mm
2
24 →240 V AC/DC
24 →240 V AC/DC
24 →240 V AC/DC
Nominal voltage (V)
-
-
3 x 208 →480 V AC
3-phase control
www.crouzet.com
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84874110 Summary of contents
Page 1
... 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 Type Function 84874110 HT81 Under/Overtemperature window mode 84874120 HT81 -2 Under/Overtemperature window mode 84874130 ...
Page 2
Max. tightening torques IEC 60947-1 Operating temperature IEC 60068-2 Storage temperature IEC 60068-2 Humidity IEC 60068-2-30 Vibrations according to IEC/EN60068-2-6 Shocks IEC 60068-2-6 Standards Marking Product standard Electromagnetic compatibility Certifications Conformity with environmental directives Inputs and measuring circuit Phase control ...
Page 3
At the end of the time delay, if the temperature is still beyond one of the preset thresholds, the corresponding output relay opens and the yellow LED corresponding to the threshold exceeded is ...