JOSLYN,
MSP® SURGE PROTECTOR

2031-SERIES, 2-POLE GAS TUBE

 

Model Numbering
2031-23
2031-25
2031-30
2031-35
2031-40
2031-47
2031-60 2031-80
DC Sparkover, 100 V/s
230 V
250 V
300 V
350 V
400 V
470 V
600 V 800 V
(196-264)
(213-287)
(250-350)
(298-402)
(300-500)
(400-540)
(510-680)
(680-920)
Impulse Sparkover
100 V/µs
450 V
475 V
500 V
550 V
600 V
650 V
850 V 1100 V
1 kV/µs
550 V
575 V
600 V
650 V
700 V
750 V
950 V 1200 V

Insulation Resistance 100 V >1010ohm
Glow Voltage 10 mA 180 V
Arc Voltage 30 V
Glow-Arc Transition Current <1.5 A
Capacitance 1 MHz <1 pF
DC Holdover Voltage >150 V, 200 mA <150 ms
Impulse Discharge Current 25 kA 8/20 µs 1 Operation
5 kA 8/20 µs 10 Operations
500 A 10/1000 µs 400 Operations
Alternating Discharge Current 65 Arms, 11 cycles (9 cycles at 50 Hz) 1 Operation
10 Arms, 1 s 10 Operations
Operating Temperature - 55 to 250 C
Warranty 1 Year
CHARACTERISTICS Test methods per REA PE-80

Electrodes are nickel plated
Lead wires are tin plated copper
Model number marking on tube: 31-xxxV
Ceramic is treated with Anti Trac moisture proofing
BT1 tape sequencing per EIA RS-296-D, 1000 pcs/spool
†Tube will remain functional without shorting or venting