Enerpac PSCK3, Instruction Sheet, Page: 6 / 44

6
Ø27
120
Ø34
LED Programming Buttons
8 - 16UN 2A
58
30
1/4 NPT
13
86
L1
L2
3
2
1
Normally Open
4
5
WIRING
AC
1
5
2
4
3
Connector on Pressure Switch
PIN # on Pressure Switch
Wiring Diagram # 3
Electrical Design 5-wire AC
Recommended Application Hydraulic Systems
Output Normally Open
Permissible Over. Pressure 8500 PSI [600 bar]
Bursting Pressure Min. 14000 PSI [1000 bar]
Setting Range
Switch-on Point (S)
250 ... 5000 PSI [20 ...400 bar]
Switch-off Point (R) 150 ... 4900 PSI [12 ... 392 bar]
in steps of 50 PSI [4 bar]
Protection IP 67
Protection Class 1 (with PE, up to 132 V AC)
Insulation Resistance 1500 V AC
Materials in Direct Contact with the Medium Nickel-plated Brass, Ceramics, FPM (VITON)
Housing Materials Nickel-plated Brass, PBTP (POCAN), PC (MAKROLON), PA
(polyamide), FPM (VITON)
Shock Resistance 50 g (according to DIN/ IEC 68-2-27, 11ms)
Vibration resistance 20 g (according to DIN/IEC 68-2-6, 10-2000 Hz)
Switching Cycles Min. 100 Million
Switch Point Setting with Programming Button
Repeatability
(% of value of measuring range)
< ±0.25
Switch Point Accuracy
(% of value of measuring range)
< ± 2.0
Operating Temperature -25 ... +70°C
Medium Temperature -25 ... +70°C
Storage Temperature -40 ... +100°C
Temperature Drift, typical (% of value
of Measuring Range/ 10K in the
< ± 0.3
Temperature Range) -25 ... +70°C
EMC
IEC 1000/4/2 ESD
4/8 KV
IEC 1000/4/3 HF Radiated 10 V/m
IEC 1000/4/4 Burst 2 KV
Operating Voltage 102 ... 132 V AC
Current Rating (continuous) 2.5 (20°C); 1.5 (45°C); 1 (60°C); 0.25 (70°C)
Current Rating (peak) [A] 34 (20°C); 14 (60°C)
Power-on Delay Time 350 ms
Set Switching Frequency 10 Hz
(at standard conditions)
Short-circuit Protection
—
Rev. Polarity / Overload Protection —
Watchdog •
Voltage Drop < 2 V
Current Consumption < 20 mA
Optical Function Display
Switching Status
LED Yellow
System Pressure, Switch Point 10 LEDs Green
Connection
7
⁄
8
” Connector