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UL/c-UL (CSA) Application Notes

The PL790*-T4* is UL/c-UL 1950 recognized product. (UL File No. E171486). Please pay

special attention to the following instructions when applying for UL/c-UL approval for ma-

chinery which includes any of these PL units.

The PL conforms as a component to the following standards:

UL 1950, Third Edition, dated March 1,1998 (Standard for Safety of Information Technology

Equipment, including Electrical Business Equipment)

CSA-C22.2 No. 950-95 (Standard for Safety of Information Technology Equipment, includ-

ing Electrical Business Equipment)

PL7900-T4* (UL Registration Model No.: 2780054-02)

PL7901-T4* (UL Registration Model No.: 2780054-01)

- Equipment with a PL mounted in it requires UL/c-UL evaluation for the combination of the PL

and equipment.

- The PL must be used as a built-in component of an end-use product.

- Use the PL indoors only.

- When connecting the PL's power cable, be sure to use a cable that is appropriate for the current

and voltage used and that has conductive wires that are 0.75 mm

- When using the PL in an end-use product, be sure to install the PL unit's power cut-off switch

where the operator can easily reach it.

- Danger of explosion if backup battery is incorrectly replaced. Replaced only with same or

equivalent type recommended by the manufacturer. Dispose of used batteries according to the

manufacturer's instructions.

- Be sure the unit the PL is built into uses a UL1950 compatible equipment structure.

The PL790*-T4* units are CE marked, EMC compliant products.

• Safety

EN60950

• EMI (EN50081-2)

EN55011 group1 (Class A)

• EMS (EN50082-2)

EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-6, EN61000-4-8, ENV50204

If following requirements are not met, the PL may fail to meet EN60950 standard requirements.

• Equipment with a PL mounted in it requires UL/c-UL evaluation for the combination of the PL

and equipment.

• The PL must be used as a built-in component of an end-use product.

• Use the PL indoors only.

• When connecting the PL's power cable, be sure to use a cable that is appropriate for the current

and voltage used and that has conductive wires that are 0.75 mm

• When using the PL in an end-use product, be sure to install the PL unit's power cut-off switch

where the operator can easily reach it.

• There is a danger of explosion if the backup battery is incorrectly replaced. This battery should

be replaced only with same or equivalent type recommended by the manufacturer. Dispose of

used batteries according to the manufacturer's instructions.

• Be sure the PL unit's enclosure is an EN60950 approved sheet steel structure.

CE Marking Notes

or larger.