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Ordering
                                           
Protective Relay 252-P, 253-P, 256-P Alarm Control, AC/ DC Powered.
 
When the value moves out side the zone limit the protective relay operates, giving
double pole contact for alarm or tripping functions. See Option Codes to compose
model numbers not shown.  All Option Codes   Complete Relay Data Sheets
Protector Trip Relays      
         
250 Series DIN Rail and Wall Mounted      
       
SYSTEM PROTECTION CATALOG NUMBER   PRICE
AC VOLTAGE                          Voltage Trip Relay Data
SINGLE PHASE 120V L-N UNDER VOLTAGE 75-100% 252-PVUU-PQBX-C6-EB   $152.65
  OVER VOLTAGE 100-125% 252-PVOU-PQBX-C6-EA   $152.65
OVER & UNDER VOLTAGE (2 Output Relays) 253-PVBU-PQBX-C6-EC   $205.67
3 PHASE 3 WIRE 120V L-L UNDER VOLTAGE 75-100% 252-PVKU-PQBX-C6-EB   $152.65
  OVER VOLTAGE 100-125% 252-PVAU-PQBX-C6-EA   $152.65
  OVER & UNDER VOLTAGE (2 Output Relays) 253-PVMU-PQBX-C6-EC   $251.73
3 PHASE 4 WIRE 120V L-N UNDER VOLTAGE 75-100% 252-PVVU-PQBX-C6-EB   $176.21
  OVER VOLTAGE 100-125% 252-PVPU-PQBX-C6-EA   $176.21
  OVER & UNDER VOLTAGE (2 Output Relays) 253-PVEU-PQBX-C6-EC   $267.26
AC VOLTAGE (Including Adjustable Time Delay)
SINGLE PHASE 120V L-N UNDER VOLTAGE  252-PVZU-PQBX-C6-EB-T1   $184.25
  OVER VOLTAGE        252-PVHU-PQBX-C6-EA-T1   $184.25
3 PHASE 3 WIRE      UNDER VOLTAGE 252-PVJU-PQBX-C6-EB-T1   $184.25
  OVER VOLTAGE 252-PVCU-PQBX-C6-EA-T1   $184.25
3 PHASE 4 WIRE L-N   UNDER VOLTAGE 252-PVXU-PQBX-C6-EB-T1   $207.81
  OVER VOLTAGE 252-PVSU-PQBX-C6-EA-T1   $207.81
AC VOLTAGE (PANEL MOUNT)
SINGLE PHASE 120V L-N UNDER VOLTAGE 75-100% 262-PVUU-PQBX-C6-EB Discontinued
  OVER VOLTAGE 100-125% 262-PVOU-PQBX-C6-EA    
3 PHASE 3 WIRE 120V L-L UNDER VOLTAGE 75-100% 262-PVKU-PQBX-C6-EB    
  OVER VOLTAGE 100-125% 262-PVAU-PQBX-C6-EA    
3 PHASE 4 WIRE 120V L-N UNDER VOLTAGE 75-100% 262-PVVU-PQBX-C6-EB    
  OVER VOLTAGE 100-125% 262-PVPU-PQBX-C6-EA    
AC CURRENT                       Current Trip Relay Data
SINGLE PHASE 5A UNDER CURRENT 40-120% 252-PAUU-LSBX-C6-DG-D1-EB   $182.10
  OVER CURRENT 40-120% 252-PAOU-LSBX-C6-DG-D1-EA   $182.10
  UNDER & OVER CURRENT (2 Output Relays) 253-PADU-LSBX-C6-DG-D1-EC   $266.73
3 PHASE 3 OR 4 WIRE UNDER CURRENT 40-120% 253-PAVU-LSBX-C6-DG-D1-EB   $313.33
5A CT RATING OVER CURRENT 40-120% 253-PAPU-LSBX-C6-DG-D1-EA   $313.33
AC CURRENT (PANEL MOUNT)
SINGLE PHASE 5A UNDER CURRENT 40-120% 262-PAUU-LSBX-C6-DG-D1-EB Discontinued
  OVER CURRENT 40-120% 262-PAOU-LSBX-C6-DG-D1-EA  
3 PHASE 3 OR 4 WIRE UNDER CURRENT 262-PAVU-LSBX-C6-DG-D1-EB  
5A CT RATING OVER CURRENT       262-PAPU-LSBX-C6-DG-D1-EA  
FREQUENCY                         Frequency Trip Relay Data
SINGLE PHASE 120V 60Hz UNDER FREQUENCY 55-65-Hz 252-PHUU-PQBX-C6-EB   $214.24
(50Hz OPTION) OVER FREQUENCY 55-65Hz 252-PHOU-PQBX-C6-EA   $214.24
  UNDER & OVER (2 Output Relays) 253-PHDU-PQBX-C6-EC   $290.30
FREQUENCY (PANEL MOUNT)
SINGLE PHASE 120V 60Hz UNDER FREQUENCY 55-65-Hz 262-PHUU-PQBX-C6-EB Discontinued
(50Hz OPTION) OVER FREQUENCY 55-65Hz 262-PHOU-PQBX-C6-EA  
COMBINED VOLTAGE & FREQUENCY  Combo Trip Relay Data
SINGLE PHASE 120V 60Hz OVER & UNDER VOLTAGE         256-PHVU-PQBX-C6-LC-KG   $547.38
(50Hz OPTION) OVER & UNDER FREQ. (50-70Hz)      
  (4 independent double pole change over relays;      
  fixed differential and adjustable time delay)      
REVERSE POWER               Reverse Power Trip Relay Data
SINGLE PHASE OR 3 Ph 4 W REVERSE POWER 2-20% 256-PASU-LSBX-PQ-C6-EA   $257.62
3 PHASE 3 WIRE REVERSE POWER 2-20% 256-PATU-LSBX-PQ-C6-EA   $311.18
SINGLE PHASE or 3Ph 4W PUSH TO TEST REVERSE POWER 2-20% 256-PAQU-LSBX-PQ-C6-EA   $326.18
3 PHASE 3 WIRE PUSH TO TEST REVERSE POWER 2-20% 256-PARU-LSBX-PQ-C6-EA   $326.18
PARALLELING                      Paralleling Trip Relay Data
SINGLE PHASE or 3 PHASE 3 or 4 WIRE L/N PHASE ANGLE & VOLTAGE FOR: 2 LIVE BUS 256-PLLU-PQBX-C6   $251.73
(SPECIFY 60 OR 50 HZ) DEAD BUS 256-PLDU-PQBX-C6   $282.26
SPEED SENSING (SPECIFY RUNNING SPEED, # OF TEETH ON FLYWHEEL SPEEDS)  Accessories on next Page
5V TO 75V PEAK TO PEAK 3 TRIP POINTS, AUX SUPPLY 12V DC 253-PH3U-BGBX-FS-V2   $303.69
  4 TRIP POINTS, AUX SUPPLY 24V DC 253-PH3U-BGBX-FS-V4   $303.69
 
SYSTEM PROTECTION CATALOG NUMBER   PRICE
ACCESSORIES (For Speed Sensing Relays)
MAGNETIC SPEED SENSOR, STD LENGTH 1.125", THREAD 5/8-18UNF CMS3010AN Discontinued
MAGNETIC SPEED SENSOR, LONG REACH 4.00" THREAD 5/8-18UNF CM3010AN40 Discontinued
MATING OUTPUT CONNECTOR & CLAMP - 2 PIN (*4) OR 3 PIN (*3) SPECIFY* CMS3106-10SL-*S Discontinued
DC TRANSDUCER TRIP (**SPECIFY UNIT)
1, 5, 10 OR 4-20mA OR LOW TRIP (FALLING SIGNAL) 0-80% 252-PBAU-**BX-DG-T1-EB   $199.24
1 TO 50 VOLTS (1000 OHM/VOLT) HIGH TRIP (RISING SIGNAL) 40-120% 252-PBBU-**BX-DG-T1-EA   $199.24
120V AC AUX STD LOW & HIGH (2 OUTPUT RELAYS) 253-PBVU-**BX-DG-T1-EC   $274.23
DC VOLTAGE                                 DC Voltage Trip Relay Data
18-20V DC UNDER VOLTAGE, WITH EXTERNAL TIME DELAY 252-PDUU-NABX-T1-EB   Discontinued
18-20V DC UNDER VOLTAGE, WITH EXTERNAL DIFFERENTIAL 252-PDEU-NABX-EB    
24V DC OVER & UNDER VOLTAGE (2 OUTPUT RELAYS) 253-PDCU-BDBX-T1-EC-BD    
  WITH EXTERNAL TIME DELAY      
DC MILLIVOLT TRIP
50 OR 100mV (SHUNTS) HIGH TRIP, 50mV INPUT 252--PBTU-ECBX-DG-T1-EA   $198.17
120V AC AUX STD LOW TRIP, 50mV INPUT 252-PBSU-ECBX-DG-T1-EB   $198.17
  HIGH TRIP, 100mV INPUT 252-PBTU-GBBX-DG-T1-EA   $198.17
  LOW TRIP, 100mV INPUT 252-PBSU-GBBX-DG-T1-EB   $198.17
THERMOCOUPLES J, K, R, S OR T TYPES HIGH TRIP, THERMOCOUPLE INPUT 252-PTOU-T*BX-DG-T1-EA   $228.17
(10mV MIN, 50mV MAX)    T *SPECIFY TYPE AND TEMP. RANGE     $228.17
    252-PTUU-T*BX-DG-T1-EB   $228.17
  LOW TRIP, THERMOCOUPLE INPUT     $228.17
     T *SPECIFY TYPE AND TEMP. RANGE     $228.17
HOT SPOT RELAY
Hot Spot Trip Relay Data
SPECIFY 100 OHM PLATINUM = R2, 120 OHM NICKLE = R3 OR 10 OHM COPPER = R1    
3 RTD INPUTS 3 TRIP POINTS 256-PRAU-R*BX-DG-RO-LI   $987.65
120V AC AUX STANDARD 2 TRIP POINTS 256-PRBU-R*BX-DG-RO-LI   $949.08
UNIT IDENTIFIES HOTTEST RTD 1 TRIP POINTS 256-PRCU-R*BX-DG-RO-LI   $912.13
         
  OMIT LED's & ADD TERMINALS      
  OPTIONAL INDICATING INSTRUMENTS 077-05KA-FA**   $501.32
6 RTD INPUTS 1 PRESET TRIP POINT 80-180 DEG. C 256-PCCU-R*BX-DG   $987.65
PHASE SEQUENCE/LOSS              Phase Sequence Trip Relay Data
3 PHASE 3 or 4 WIRE (Specify 50 or60Hz) PHASE SEQUENCE, UNDER VOLTAGE, 120V L-L 252-PVRU-PQBX-C6   $114.62
PHASE BALANCE                           Phase Balance Trip Relay Data
3 PHASE 3 or 4 Wire       PHASE LOSS+UNBALANCE, 120V L-L 252-PSFU-PQBX-C6   $157.47
(SPECIFY 50 or 60Hz) PHASE LOSS+UNBALANCE, 480V L-L 252-PSFU-SEBX-C6   $189.07
  PHASE LOSS, UNBAL, UNDERVOLTAGE, 120V L-L 252-PSGU-PQBX-C6-T1-IA   $186.92
  PHASE LOSS, UNBAL, UNDERVOLTAGE, 480V L-L 252-PSGU-SEBX-C6-T1-IA   $218.52
THERMISTOR TRIP                         Thermistor Trip Relay Data
P.T.C. THERMISTOR 120V AC AUX STD. MANUAL RESET 252-PMMU-STBX-DG   $212.63
1500 OHM MAX AT NORMAL TEMPS AUTOMATIC RESET 252-PMTU-STBX-DG   $130.69
SYSTEM VOLTAGE OPTIONS
120V AC   PQ N/C
208V AC   RM N/C
220V AC   R4 $32.14
240V AC   RR $32.14
480V AC   SE $32.14
EXTERNAL POWER SUPPLY OPTIONS (see note blow)
120vV AC 60Hz DG $32.14
240V AC 60Hz DN $32.14
12V DC BC $46.06
24V DC BD $46.06
48V DC NR $46.06
125V DC   BI $50.35
Other Ratings consult Factory    
       
NOTE: DC Power Supply Option not available on HOT SPOT 3 or 6, Reverse Power Relay, Paralelling Relay, Phase Balance,
Phase Sequence, and 262 Panel Mount Protectors.
Non Standard Settings add $28.50  Time Delay Relay add $28.50 (per Relay)  Input
Frequencies:  50Hz Code C5 No Charge   Input Frequencies:  400Hz CodeC4 add $22.00
Input Current:  1A code LA  Input Current:  10A Code MT   120V AC Aux Power Supply no charge when required
ORDERING INFORMATION: FOR IN/OUT OPTIONS OR EXTERNAL POWER SUPPLY OPTIONS SUBSTITUTE CODE IN CATALOG NUMBER
WITH CODE DESIRED.  EXAMPLE: 253-PVMU-RRBX-C5-EC.  FOR OTHER OPTIONS CONTACT FACTORY FOR AVAILABILITY.