User`s manual

16
280 VA 420 VA 650 VA 1000 VA 1400VA
10Base-T surge protection let-through
(as a percentage of an applied ±6 kV
1.2/50 µs, 125 A 8/20 µs test)
<5%
Telephone line surge protection
let-through (as a percentage of an applied
±6 kV 1.2/50 µs, 500 A 8/20 µs test)
<1%
Operating temperature 0 to +40 ºC (+32 to +104 ºF)
Storage temperature (see section 11) -15 to +45 ºC (+5 to +113 ºF)
Operating and storage relative humidity 0 to 95%, non-condensing
Operating elevation 0 to +3,000 m (0 to +10,000 ft)
Storage elevation 0 to +15,000 m (0 to +50,000 ft)
Electromagnetic immunity IEC 801-2 level IV, 801-4 level IV, 801-5 level III
Audible noise at 1 m (3 ft) <45 dBA <50 dBA
Size (H x W x D)
Model 280, 420
16.8 x 11.9 x 36.8 cm
(6.6 x 4.7 14.5 in.)
16.8 x 11.9 x
36.8 cm (6.6
x 4.7 x 14.5
in.)
21.6 x 17 x 43.9 cm (8.5
x 6.7 x 17.3 in.)
Model 280B, 420B
15 x 8.6 x 33.8 cm
(5.9 x 3.4 x 13.3 in.)
Weight - net (shipping)
Model 280
7.2 (8.5) kg;
15.9 (18.7)
lb.
Model 420
7.8 (9.1)
kg
17.2 (20.0)
lb.
10.9 (12.2)
kg;
24.0 (26.8)
lb.
19.3 (21.3)
kg;
42.5 (47) lb.
24.1 (26.1)
kg;
53 (57.5)
lb.
Model 280B
6.6 (7.5) kg;
14.5 (16.6)
lb.
Model 420B
7.2 (8.1) kg;
15.9 (18) lb.
Safety and approvals UL 1778, UL 497A, CSA 22.2
EMC verification FCC/DOC Class B certified
12. Specifications
(Continued)