Hach-Lange WTOS P-RTC - Manual (Page 6)

6
Specifications
Digital outputs
1-channel: 1 × for dosing pump and 1 × alarm
2-channel: 2 × for dosing pump and 1 × alarm
Nominal load voltage 24 VDC (–15 % / +20 %)
Load type Ohmic, inductive, lamp load
Max. output current 0.5 A (short-circuit proof) per channel
Short-circuit current 0.7 to 1.7 A
Reverse polarity protection Yes
Electrical isolation 500 V
eff
(K-bus/field voltage)
Power contact current consumption 20 mA typ. (for typ. 30 mA 2-channel device)
Equipment properties
Dimensions (L × W × H)
350 mm × 120 mm × 96 mm
(13.78 in. × 4.72 in. × 3.78 in.)
Mass approx. 0.9 kg
Environmental conditions
Working temperature 0 to 50 °C (32 to 122 °F)
Storage temperature –25 to +85 °C (–13 to 185 °F)
Relative humidity 95 %, non-condensing
Miscellaneous
Pollution Degree
Protection Class
Installation Category
Maximum Altitude
2
1
II
2000 m (6.562 ft.)
Protection class IP20
Installation DIN rail EN 50022 35 × 15
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