DC Power Supplies - Powertrol Fixed Voltage
(SB-620H)

Silicon Rectifier units specially designed for use with all types of electromagnets.

Eriez Rectifiers provide fixed voltage dc power for all types of electromagnets. Their design uses full wave bridge silicon rectifiers with avalanche characteristics, eliminating the need for other
components to reduce voltage spikes.

A wide range of sizes are available for both single­phase and three­phase operation.

FEATURES:

• Normal convection cooled
• Full wave bridge circuit
  with avalanche
  characteristics
• Fused AC switch

Single­phase rectifiers operate from 115/230 Volts, 50/60 Hz single phase AC with 120 Volt DC output.
Capacities from 500 Watts up to 3,000 Watts are available.

Three­phase rectifiers are suitable for converting 230/460 Volt,
50/60 Hz, three­phase AC to either 120 Volt DC or 240 Volt DC. Capacities range from 500 Watts
up to 25,000 Watts. Other input voltages are available on request.

Standard enclosures are Nema 1 open ventilated, 14 guage steel cabinets from wall mounting. Nema 3 ­ weatherproof, Nema 4 ­ watertight, and Nema 7, 9 or 12 ­ dust tight constructions are available. Other options available include (but are not limited to) volt meters, ammeters, current relays, shunts and auxiliary contacts.

Rectifiers are designed for full capacity operation in ambient temperatures up to 110° F (43° C) and elevations up to 2,000 feet
(610 meters) above sea level, with moderate derating required above these levels. The power supplies
are protected with dual element
fuses and with current limiting fuses made specifically for the protection of semiconductors.

Simplicity of design combined with high quality components provide years of trouble­free operation.

SPECIFICATIONS

Single Phase Models

Three Phase Models

ELECTRICAL SPECIFICATIONS

Single Phase Models

Three Phase Models

Three Phase Models

NOTE: Specifications subject to change without notice.