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Input/output connections, Nput, Utput – AMETEK SFA Series User Manual

Page 26: Onnections

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Installation

Sorensen SFA Series

• Screw, lock washer, and nut for AC input and DC output

connections:
5–15 kW: ¼-20UNC-2B x ½", 4 ea AC input only
20–30 kW: 3/8-16UNC-2B x 7/8", 6 ea

• Black screw, 10-32UNC-2B x ½", front panel rack fastener:

5–15 kW: 4 ea
20–30 kW: 8 ea

If any of these parts are missing, please contact Customer Service at
1-800-733-5427.

2.3

INPUT/OUTPUT CONNECTIONS

WARNING!

High voltage present! Risk of electrical shock. Do not remove cover. Refer to
qualified service personnel.

Table 2–1 lists all external connections for the SFA Series models. Table 2–2
and Table 2–3 provide input and
output connection descriptions by power
supply type.

For permanently connected equipment, a readily accessible disconnect device
shall be incorporated in the fixed wiring. For pluggable equipment, the socket
outlet shall be installed near the equipment and shall be easily accessible.

Take precautions to ensure that the concentration of ozone is limited to a safe value.
The recommended long-term exposure limit for ozone is 0.1 PPM (0.2 mg/m

3

).

CAUTION!

Do not use the SFA power supplies in series operation.

CAUTION!

For proper connection to the mains, a 100–amp circuit breaker or fuse for 3U
units and a 200–amp circuit breaker or fuse for 6U units is required.

WARNING!

Under no condition should the negative output terminal exceed 300V to earth
ground for non-isolated Analog programming. (600V for supplies with the Isolated
Analog option installed.)

2-2

M550292-01 Rev G