Important Notes
R&S
®
NGL200/NGM200
12
User Manual 1178.8736.02 ─ 05
against the spring pressure until it locks into place. The use of mended fuses or short
circuiting the fuse holder is prohibited. Resulting damages are not covered by the war-
ranty.
Safe operation
If the instrument is not in use, it must be switched off at the mains switch for safety rea-
sons.
3.5
Limits
The R&S
NGL/NGM is equipped with a protective overload feature. The protective
overload feature prevents damage to the instrument and is intended to protect against
a possible electrical shock. The maximum values for the instrument must not be excee-
ded. The protection limits are listed on the front panel of the R&S
NGL/NGM to ensure
the safe operation of the instrument.
These protection limits must be adhered to:
Specification
Limits
Maximum output voltage
20.05 VDC
Maximum output current
6.01 A (<= 6 V)
3.01 A (> 6 V)
Maximum voltage against earth
250 V peak
Maximum counter-voltage (same polarity)
22 V
Maximum reverse voltage (opposite polarity)
0.5 V
Maximum reverse current sink current
Maximum reverse Current (through protection diode,
instrument must be operating)
3.01 A
Power supply
100 VAC, 115 VAC or 230 VAC (tolerance
±
10 %)
Frequency
50 Hz / 60 Hz
Maximum power output
120 W (NGL202, NGM202), 60 W (NGL201,
NGM201)
Limits
