Watson & Sons 520DUN user manual Pump specifications

Pump specifications

Control range (turndown ratio)	0.1-360rpm (3,600:1)
Supply voltage/frequency	100-120V/200-240V 50/60Hz 1ph
	±10% of nominal voltage.
Maximum voltage fluctuation	A well regulated electrical mains supply
	is required along with cable connections
	to the best practice of noise immunity
Installation category	II
(overvoltage category)
Power consumption	135VA
Full load current	<0.6A at 230V; <1.25A at 115V
Eprom version	Accessible through pump software
Enclosure rating	IP66 to BS EN 60529;
	NEMA 4X to NEMA 250 *
Pumphead options	520R, 501RL, 313, 314, 505L,
	505BA, 505CA, 314MC, 318MC
Operating temperature range	5C to 40C, 41F to 104F
Storage temperature range	-40C to 70C, -40F to 158F
Maximum altitude	2,000m, 6,560ft
Humidity (non-condensing)	80% up to 31C, 88F, decreasing linearly
	to 50% at 40C, 104F
Pollution degree	2

* Protect from prolonged UV exposure.

Note: 520 drive models are C ETL US listed. Cert to std CAN/CSA C22.2 No 1010- 92. Conforms to std UL 61010A-1 April 30, 2002.

Note: 520 drive models have been tested in accordance with BS EN 61000-6-2:

2001 (EN 61000-4-4) Fast Transient and Burst Tests to Industrial limits – ie: Level 3: 2kV.

Watson-Marlow 520DuN IP66/NEMA 4X User Manual 13