Detailed Selling Lead Description
Welkin Electronics (Sanwei Group), a F32T8 (T8, 32W, 120V/277V) electronic liner
fluorescent ballasts manufacturer in China.
Available electronic ballasts:
1) Model: WK-T8-232/IS/120SC
1 or 2 lamp operation
1 x FB31T8, 1 x F32T8, 1 x F40T8
2 x F17T8, 2 x FB24T8, 2 x F25T8, 2 x F25T12, 2 x FB31T8, 2 x F32T8.
Input voltage: 120V
2) Model: WK-T8-232/IS/277SC
1 or 2 lamp operation
1 x FB31T8, 1 x F32T8, 1 x F40T8
2 x F17T8, 2 x FB24T8, 2 x F25T8, 2 x F25T12, 2 x FB31T8, 2 x F32T8.
Input voltage: 277V
3) Model WK-T8-232/IS/120-277HSC
1 or 2 lamp operation
1 x F25T8, 1 x F25T12, 1 x FB31T8, 1 x F32T8, 1 x F40T8
2 x F17T8, 2 x FB24T8, 2 x F25T8, 2 x F25T12, 2 x F31T8, 2 x F32T8.
Input voltage: 120V to 277V
4)Model WK-T8-432/IS/120HSC
3 or 4 tubes operation
3 x F17T8, 3 x F24T8, 3 x F25T8, 3 x F25T12, 3 x F31T8, 3 x F32T8, 3 x F40T8
4 x F17T8, 4 x F24T8, 4 x F25T8, 4 x F25T12, 4 x F31T8, 4 x F32T8.
Input voltage: 120V
5) Model WK-T8-432/IS/277HSC
3 or 4 tubes operation
3 x F17T8, 3 x F24T8, 3 x F25T8, 3 x F25T12, 3 x F31T8, 3 x F32T8, 3 x F40T8
4 x F17T8, 4 x F24T8, 4 x F25T8, 4 x F25T12, 4 x F31T8, 4 x F32T8.
Input voltage: 277V
6) Model WK-T8-432/IS/120-277HSC
3 or 4 tubes operation
3 x F17T8, 3 x F24T8, 3 x F25T8, 3 x F25T12, 3 x F31T8, 3 x F32T8, 3 x F40T8
4 x F17T8, 4 x F24T8, 4 x F25T8, 4 x F25T12, 4 x F31T8, 4 x F32T8.
Input voltage: 120V to 277V
Application and performance specifications:
1) Current crest factor: ballast shall have a lamp current crest factor <1.7
2) Open circuit voltage: 600V
3) EMI and RFI limits: ballast shall comply with the limits of FCC part 18C for consumer
equipment
4) Starting temperature: ballast shall have a 0°F minimum lamp starting temperature
5) Potting: ballast shall contain potting compound for proper dissipation of heat,
mechanical stability
6) Lamp/power lead configuration: ballast shall have lamp/power lead access from
the sides of the can
7) Circuit configuration: ballast shall be instant start with parallel circuit configuration
8) Sound rating: ballast shall be sound rated class A
9) Power factor: ballast shall have minimum power factor of 99% on primary lamp configuration
10) Class P, type 1 outdoor
11) Warranty: ballast shall have a five-year warranty
12) Maximum case temperature: ballast shall tolerate operation of a maximum case
hot spot temperature of 70°C
13) Warning: disconnect power when installing or servicing
14) Install lamps with 3/4" of grounded metal plane