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Time Mark Corporation
B252B-120V 98058301 TIME MARK 3-PH PWR MON SPDT+SPST 120V

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Description: Time Mark Monitor, 3-Phase Automatic Reset, Series: 252 Series, 120 V AC, 60 Hz Frequency, SPDT/SPST Contact Configuration, 8 Pins, Socket Mounting, LED Display, 0.05 s Response, 3.52 in L x 2.44 in W x 1.75 in D Dimensions

Manufacturer PN: B252B

UPC:  66291700162

Kendall Electric Inc PN: 3762343

Invoice Description:

B252B-120V 98058301 TIME MARK 3-PH PWR MON SPDT+SPST 120V


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Time Mark B252B 3-Phase Automatic Reset Monitor, 120 V AC, 8 Pin, SPDT/SPST Contact

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Description

The model 252 3-phase monitor continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, The model 252 will detect phase loss on a loaded motor even when regenerated voltage is present. This device consists of a solid state voltage and phase angle sensing circuit, driving an electromechanical relay with one SPDT and one SPST contact. When correct voltage and phase rotation are applied, the internal relay will energize. A fault condition will de-energize the relay. When the fault is corrected The model 252 will automatically reset. The model 252 does not require a neutral connection and can be used with WYE or DELTA configured systems. Four versions cover 120 VAC, 208/240 VAC and 480 VAC, 60 Hz and 380 VAC, 50 Hz. Adjustment ranges are sufficiently wide to allow for proper adjustment to existing conditions. Two LED indicators are provided to aid in adjustment and system troubleshooting.
Time Mark Monitor, 3-Phase Automatic Reset, Series: 252 Series, 120 V AC, 60 Hz Frequency, SPDT/SPST Contact Configuration, 8 Pins, Socket Mounting, LED Display, 0.05 s Response, 3.52 in L x 2.44 in W x 1.75 in D Dimensions

Specifications

 Application For used to detects phase loss, low voltage and phase reversal
 Brand Name Time Mark
 Contact Configuration SPDT/SPST
 Dimensions 3.52 in L x 2.44 in W x 1.75 in D
 Frequency Rating 60 Hz
 Manufacturer Part Number B252B
 Mounting Type Socket
 Number of Pins 8
 PART NUMBER KEYWORDS B252B ; 98058301 ; 14196856 ; 662917001626 ; 66291700162 ; 00662917001626
 Response Time 0.05 s
 Series 252 Series
 Standards/Approvals cULus Listed
 Type 3-Phase Automatic Reset
 Voltage Rating 120 V AC

Features

▪ Automatic reset
▪ Heavy duty output contacts
▪ Monitors for phase loss or reversal, low voltage or voltage unbalance
▪ ABS plastic enclosure material
▪ -4 to 131 deg F operating temperature
▪ 4.5 W per phase power consumption
▪ 150 ms nominal reset time
 
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