Voltex Inc. Lab style Helium Neon laser power supply.

Features include:

Universal AC power input: 100-120 / 200-240 VAC 50/60 Hz.
CDRH compliance:  Key switch, pilot light, turn-on delay, and remote interlock.
Compact size: only 1.5 x 4.13 x 7.88 inches ( 38 x 150 x 200mm)
High efficiency: >85% conversion efficiency for cool operation and long life.
Internal bleed-down resistor: to reduce shock hazard from the laser head.

Specifications:

Input: 100-120 / 200-240 VAC 50/60 Hz.
Uses business machine type AC cord. Includes an AC cord with a North American standard connector.
Output: 3200-4000 VDC, 5 to 9.5 mA* (factory preset at 6.5mA)
           *Output current adjustable via internal trim potentiometer.*
** Please contact us if you would like us to preset the current to a specified amount.**

Start voltage: >12KV.
Line filtering: Internal EMI line filter.
Output fault protection: Open circuit, short circuit, and arc conditions.
CDRH delay: 3 to 5 seconds.
Defeatable by cutting internal violet wire loop.
Output connector: Alden high voltage connector or equivalent.
Remote interlock: Jones plug type low voltage series circuit.
Jumpered connector included.
Dimensions: 1.5 x 4.13 x 7.88 inches ( 38 x 150 x 200mm).
Warranty: Limited 1 year from date of purchase.