
JOSLYN,
MSP® SURGE PROTECTOR
2029-SERIES, HEAVY DUTY 2-POLE GAS TUBE
UL RECOGNIZED
|
Model
Numbering
|
2029-23
|
2029-25
|
2029-35
|
2029-47
|
|
DC
Sparkover, 100 V/s
|
230
V
|
250
V
|
350
V
|
470
V
|
|
(184-276)
|
(280-320)
|
(280-320)
|
(375-565)
|
|
|
Impulse Sparkover, 100 V/µs
|
550 V
|
575 V
|
650 V
|
750 V
|
|
1 kV/µs
|
750 V
|
775 V
|
850 V
|
950 V
|
| Insulation Resistance | 100 V | >1010 ohm |
| Glow Voltage | 10 mA | 70 V |
| Arc Voltage | 10 V | |
| Glow-Arc Transition Current | <1 A | |
| Capacitance | 1 MHz | <1 pF |
| DC Holdover Voltage | 80 V | <150 ms |
| Impulse Discharge Current | 20 kA 8/20 µs | 10 Operations |
| 200 A 10/1000 µs | 300 Operations | |
| Alternating Discharge Current | 20 Arms, 1 S | 10 Operations |
| Operating Temperature | - 55 to 250 C | |
| Warranty | 1 Year | |
| CHARACTERISTICS Test methods per ITU-T K.12 |

| Electrodes are nickel plated | |
| Lead wires ar tin plated copper | BT1 tape sequencing per EIA RS-296-D, 1000 pcs/spool |
| Model number marking on tube: 2029-xxxV | After discharge sparkover limits increase by 10%, measured |
| Ceramic is treated with Anti Trac moisture proofing | 24 hours after discharge, resistance > 108 ohm |