Spec Sheet

POWERCOMMAND
®
OTEC TRANSFER SWITCH
POWERCOMMAND
®
40 CONTROL | OPEN TRANSITION | 125–600 A
AUTOMATIC TRANSFER SWITCH | HOME AND SMALL BUSINESS
DESCRIPTION
The OTEC series transfer switch provides the basic
features typically required for primary source and
generator set monitoring, generator set starting and
load transfer functions for emergency standby power
applications. They are suitable for use in emergency,
legally required, and optional standby circuits
in commercial and light industrial applications.
The OTEC transfer switch features the new
PowerCommand
®
40 control with a comprehensive
feature list to suit a wide variety of ATS applications.
FEATURES
PowerCommand
®
40-01 control – A fully featured
microprocessor-based control with LCD digital display
and tactile-feel soft-switches for easy operation and
screen navigation. Control highlights include front panel
PC software conguration with three phase sensing
on both sources, manual restore to S1, synch check,
and event logging capability. Please see the S-6560
PowerCommand
®
40-01 control specication sheet
for the full description, benets and features.
Programmed transition – Open transition timing
can be adjusted to completely disconnect the load
from both sources for a programmed time period,
as recommended by NEMA MG-1 for transfer of
inductive loads.
Advanced transfer switch mechanism – Unique
bi-directional linear actuator provides virtually frictionless
constant force, straight-line transfer switch action during
automatic operation.
Positive interlocking –
Mechanical and electrical
interlocking prevent source-
to-source connection through
the power or control wiring.
Main contacts – Heavy-duty
silver alloy contacts used
with multi-leaf arc chutes are
rated for motor loads or total
system load transfer. They
require no routine contact
maintenance. Continuous
load current not to exceed
100% of switch rating and
tungsten loads not to exceed
30% of switch rating.
Ease of service and access – Single-plug harness
connection and compatible terminal markings simplify
servicing. Access space is ample. Door-mounted
controls are eld-programmable; no special tools
are required.
Complete product line – Cummins is a single
source supplier with a wide range of equipment,
accessories and services to suit virtually any
backup power application.
Warranty and service - Products are backed by
a comprehensive warranty and a worldwide network
of distributors with factory-trained service technicians.