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Eaton/Moeller
S811+U50N3S
S811 Plus Soft Starter with DIM
S811 Soft Starter Family Shot
Product Description

Eaton’s S811+ offers all the popular features of the S801+ and adds new enhanced functionality with the new Digital Interface Module (DIM), communications, metering, monitoring and diagnostics capabilities.


The S811+ is designed to be a complete package, combining the silicon controlled rectifiers (SCRs), bypass contactor and overload in one, very compact unit.


S811+U50N3S

Frame Size = U

S811+U50N3S Standard Duty Ratings
Rated
Current		 Three-Phase Motors
kW Rating (50 Hz) hp Rating (60 Hz)
200V 230V 460V 575–600V
230V  380–400V 440V 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF 1.0SF 1.15SF
Standard Duty - 15 Second Ramp, 300% Current Limit at 40°C, Inline Connection
500 150 257 300 150 150 200 150 400 350 500 450
Severe Duty - 30 Second Ramp and/or 450% Current Limit at 50°C, Inline Connection
365 110 185 220 125 100 150 125 300 250 350 300
Standard Duty - 15 Second Ramp, 300% Current Limit at 40°C, Inside-the-Delta Connection
865 150 257 300 250 250 300 250 600 550 750 700
Severe Duty - —30 Second Ramp and/or 450% Current Limit at 50°C, Inside-the-Delta Connection
623 110 185 220 200 150 250 200 450 400 550 450

S811+U50N3S Specifications
Description S811+U42… S811+U50…(1) S811+V36… S811+V42…
Max. current
capacity (A)		 420 500 360 420
FLA range 131–420 156–500 112–360 131–420
General Information
Bypass
mechanical
lifespan		 10M 10M 10M 10M
Insulating
voltage Ui		 660 V 660 V 660 V 660 V
Ramp
time range		 0.5–180 seconds
(0.5–360 seconds S811+ Premium)		 0.5–180 seconds
(0.5–360 seconds S811+ Premium)		 0.5–180 seconds
(0.5–360 seconds S811+ Premium)		 0.5–180 seconds
(0.5–360 seconds S811+ Premium)
Resistance
to vibration		 3g 3g 3g 3g
Resistance
to shock		 15g 15g 15g 15g
Electrical Information
Operating
voltage		 200–600 V 200–600 V 200–600 V 200–600 V
Operating frequency 47–63 Hz 47–63 Hz 47–63 Hz 47–63 Hz
Overload
setting		 30–100% 30–100% 30–100% 30–100%
Trip class 5, 10, 20 and 30 5, 10, 20 and 30 5, 10, 20 and 30 5, 10, 20 and 30
Cabling Capacity (IEC 947)
Number
of conductors		 1 or 2 1 or 2 1 or 2 1 or 2
Wire sizes 4 AWG to 500 kcmil 4 AWG to 500 kcmil 4 AWG to 500 kcmil 4 AWG to 500 kcmil
Type of
connectors		 Add-on lug kit Add-on lug kit Add-on lug kit Add-on lug kit
Control Wiring
(12-Pin)
Wire sizes
in AWG		 22 - 14 22 - 14 22 - 14 22 - 14
Number of
conductors (stranded)		 2 (or one AWG 12) 2 (or one AWG 12) 2 (or one AWG 12) 2 (or one AWG 12)
Torque
requirements
in lb-in		 3.5 3.5 3.5 3.5
Solid, stranded
or flexible max.
size in mm2		 3.31 3.31 3.31 3.31
Control Power Requirements
Voltage range
(24V ±10%)		 21.6–26.4 21.6–26.4 21.6–26.4 21.6–26.4
Steady-state
current amps		 1.0 1.0 1.0 1.0
Inrush current amps 10 10 10 10
Ripple 1% 1% 1% 1%
Relays (1) Class A and C
Voltage AC -
maximum		 240 240 240 240
Voltage DC -
maximum		 120 120 120 120
Amps - maximum 3 3 3 3
Environment
Temperature -
operating		 –30° to 50° C
no derating)
consult factory for
operation >50° C		 –30° to 50° C
no derating)
consult factory for
operation >50° C		 –30° to 50° C
no derating)
consult factory for
operation >50° C		 –30° to 50° C
no derating)
consult factory for
operation >50° C
Temperature -
storage		 –50° to 70° C –50° to 70° C –50° to 70° C –50° to 70° C
Altitude <2000m -
consult factory
for operation
>2000m		 <2000m -
consult factory
for operation
>2000m		 <2000m -
consult factory
for operation
>2000m		 <2000m -
consult factory
for operation
>2000m
Humidity <95%
noncondensing		 <95%
noncondensing		 <95%
noncondensing		 <95%
noncondensing
Operating position Any Any Any Any
Pollution degree
IEC947-1		 3 3 3 3
Impulse withstand
voltage
IEC947-4-1		 6000 V 6000 V 6000 V 6000 V

NOTES:
(1) S811+U50… unit does not have IEC certification.

S811+U50N3S Dimensions
S811+U50N3S Dimensions

Part Number Selection Guide
S801 Part Number Selection Guide

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