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The PSN Pressure switch from Condor USA.
Internal pressure transducer 0 to 16 bar Connection of an external pressure transducer, two-wire 4 to 20mA Programmable internal time switch (controls up to 6 profiles) Programmable primary load and load changeover functions, allowing for the primary load compressor to operate without taking part in the rotation process. Only the load changeover compressors are rotated. Programmable ball valve control with max. 3 compressors Direct switchover after the load changeover time has elapsed. Four digital inputs (e.g. for hourmeter ) Input: bridge time switch Input: remote release Parameter password protection Units reversible bar/psi
Part No. Order reference Description Weight (in g)
237761 GLW 4
GLW 4 without wiring, enclosure
255475 GLW 4-S
GLW 4 in pre-wired plastic enclosure, (dimensions: 420x300 x170mm), DIN- Rail mounting, internal terminal blocks and wiring diagram.
255482 GLW 4-SK
GLW 4 in pre-wired plastic enclosure, (dimensions: 420x300 x170mm), DIN-Rail mounting, internal terminal blocks and wiring diagram.
Additionally wired for 4 compressors: isolator, rotary switch „bridge timer“, rotary switch compressor 1 - 4, indicator lamps for voltage supply and compressors 1 – 4
Technical Operating Data Permissible operating voltage range UB 90 – 265 V AC, 50 – 60 Hz Operating voltage influence at ± 10% operating voltage fluctuation < 0,1 % Duty factor ED 100 % Permissible ambient and media temperature -20°C up to +60°C Permissible ambient humidity rel. humidity, non-condensing 10 % up to 90 % CPermissible storage temperature -40°C up to +80°C Clearance and creepage distances VDE 0110 Working position Any position Power consumption Control 10 VA
Digital Inputs and Outputs 4 Relay outputs isolated SPDT's 230V-AC; 5 A (AC1) 1 Alarm relay isolated SPDT 230V-AC; 5 A (AC1) Internal buzzer typical 70dBA 4 digital inputs 250V AC 1 (I11/12 I41/42) Input 250V-AC1 (I51/52) External release signal Bridge time switch 250V-AC1 (I61/62)
Analog Interface Input analogue pressure transducer UB 4…20mA wire 18 – 21V-DC Integrated pressure transducer With quick connect 0…16 bar
Enclosure Material ABS flameproof, UL-approved Mounting snap on 35 mm DIN-rail connector acc. to EN 50 035 Enclosure-protection IP 40 Protection against shock acc. VBG 4 Terminals Cage clamps Cross section 2,5 mm² Weight 520 g
Power Section Series voltage acc. to VDE 0660 and VDE 0110 Group C 250 V-AC Maximum continuous current per contact 6 A-AC Maximum switching capacity per contact 1.500 VA (AC) 50 W (DC) Mechanical life Cycles approx. 1 x 107 Electrical life (max load) Cycles approx. 2 x 105
Measuring Accuracy & Requirements Input external pressure transducer ± 2% of end value Internal pressure transducer ± 2% of end value EM-Directive 89 / 336 / EWG Low Voltage Directive 73 / 23 / EW
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