Stober SD6 Series User Manual

STOBER 4 | UL-compliant use
12/2018 | ID 442537.05
17
4 UL-compliant use
This chapter contains relevant information for use under UL conditions (UL – Underwriters
Laboratories).
Surrounding air temperature and pollution degree
The maximum surrounding air temperature for UL-compliant operation is 45°C. Use in an
environment with pollution degree 2 is permitted.
Network layout
All device types supplied with 480V
AC
are intended solely for operation with grounded wye
sources at 480/277V
AC
.
Power supply and motor overload protection
Observe the specification of I
2maxPU
at 8kHz clock frequency in the electrical data of the drive
controller; see the chapter Electrical data [}23].
Line fuse
For UL-compliant line fuses, observe the specifications in the chapter UL-compliant line fuse
[}63].
In accordance with CSA-C22.2 No. 14-13, the following applies for use in Canada:
Depending on the device type, additional overvoltage protection must be installed in the network
upstream of the device and must fulfill the following conditions.
§ Single-phase – SD6A02:
• Overvoltage category 3
• Phase-ground = 240V
AC
(peak permitted rated surge voltage = 4kV)
• Phase-phase (or N) = 240V
AC
(peak permitted rated surge voltage = 4kV)
§ Three-phase – from SD6A04:
• Overvoltage category 3
• Phase-ground = 277V
AC
(peak permitted rated surge voltage = 4kV)
• Phase-phase (or N) = 480V
AC
(peak permitted rated surge voltage = 6kV)
Motor protection
All models of the 6th STOBER drive controller generation feature a certified i²t model, a
computational model for thermal monitoring of the motor. This fulfills the requirements for solid
state motor overload protection in accordance with the amendment to UL508C from May 2013.
In order to activate it and start the protective function, set the parameters as follows (deviating
from the default values): U10 = 2:Warning and U11 = 1.00s. This model can be used instead of
or in addition to temperature-monitored motor protection, as described in the chapter X2: Motor
temperature sensor [}77].
Motor temperature sensor
The SD6 drive controller features connections for PTC thermistors (NAT 145°C), KTY
temperature sensors (KTY84-130) or Pt temperature sensors (Pt1000). For a proper
connection, observe the terminal description for X2 in the chapter X2: Motor temperature sensor
[}77].

Stober SD6 Series Specifications

General

Brand	Stober
Model	SD6 Series
Category	Controller
Language	English