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5. Product data
5.1 Type code
Example: STS 40/8 A 1-230-50-2-5M KA,
STS 40/10 3-400-50-2-10M KA
Series: ST = Sewage Technology
STS
Nominal diameter of the discharge port [mm]:
40
40 = Rp 1½
Max. delivery head [m] for Q=0m³/h: 8, 10
/8
A
A = with float switch,
- = not specified: without float switch
1-230
Mains voltage: 1~230 V, single-phase motor,
-50
Mains frequency (Hz)
-2
2 poles
5 M KA
Connecting cable length (m): 5, 10
5.2 Technical data
Permissible components of the flow media
Max particle size
Mains voltage
Mains frequency
Protection class
Speed
max. current consumption
Power input P1
Motor power rating P2
max. flow rate
Max. delivery head
Operating mode S1
Operating mode S3 (optimum)
Recommended switching frequency
Max. starts per hour
Nominal diameter of the pressure port
Temperature range of the flow medium
max. immersion depth
Noise level at min. level
Oil filling
5.3 Scope of supply
Each pump is supplied with:
• 5 or 10 m electrical connection cable (depending
on version),
• single-phase version with mains plug (CEI
23-5),
• three-phase version with free cable end.
• Connected float switch (Wilo-Drain STS 40),
• Installation and operating instructions.
12
S = Stainless Steel Motor
3~400 V, three-phase motor
Slightly acidic / slightly alkaline, maximum chloride content 150 mg/l
(for 1.4301 / AISI 304)
40 mm
1 ~ 230 V, ± 10 %, 3 ~ 400 V, ± 10 %
50 Hz
IP 68
max. 2900 1/min (50 Hz)
see rating plate
see rating plate
see rating plate
see rating plate
see rating plate
200 operating hours a year
Intermittent duty, 25 % (2.5 min. operation, 7.5 min. pause)
20 1/h
50 1/h
see rating plate
+3 to 35 °C
5 m
< 70 db(A)
ELFOLNA DS 22 or comparable, 410 ml
5.4 Accessories
Accessories must be ordered separately:
• Switchgear for 1 or 2-pump operation,
• External monitoring devices / tripping units,
• level controller (level sensor / float switch),
• Accessories for transportable wet-well installa-
tion,
• Accessories for stationary wet-well installation.
WILO SE 04/2014