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| typical switch | PowerCommand40 | mechanism | specs |
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Page last updated Mar 24, 2025 @ 10:20pm
OTEC600
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| typical switch | PowerCommand40 | mechanism | specs |
| Click thumbnail image above to enlarge | |||
Automatic Transfer Switch
600 amp 3 pole
with PowerCommand® 40 microprocessor control
open transition
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® 40-11 control with a comprehensive feature list to suit a wide variety of ATS applications.
FEATURES
PowerCommand® 40-11 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 configuration, three phase sensing on both sources, sync check, phase rotation and imbalance sensing, and event logging. Additional optional features include load shed from standby source, Modbus RTU and TCP network communication, and configurable output contact modules. Completely network compatible with the new Cummins transfer switch remote annunciator. Please see the S-6560 PowerCommand® 40-11 control specification sheet for the full description, benefits, and features.
Overcurrent disconnect device – Square D UL Listed 489 molded case circuit breaker.
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 bidirectional linear actuator provides virtually frictionless constant force, straight-line transfer switch action during automatic operation.
Positive interlocking – Mechanical and electrical interlocking prevent sourceto-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 80% 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 field-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.Specs
| Switch Current Rating | 600 amps |
| Poles | 3 pole with solid neutral |
| Voltage Rating | up to 480Vac |
| Transfer Time | 6 cycles max at 60Hz with nominal voltage applied to actuator (without delayed transition enabled) |
| Operating Temperature | -13 ˚F (-25 ˚C) to 140 ˚F (60 ˚C) |
| Operating Humidity | 95% relative humidity, non-condensing |
| Altitude | up to 10,000 feet without derating |
| Other Options Available at additional cost (partial listing) |
- 40A, 70A, 125A, 150A, 225A,
260A, 300A, 400A, 600A, 800A, 1000A ratings - 120VAC through 480VAC - 4 pole with switched neutral (150A and above) - 50Hz - 3 phase 3 wire or 4 wire - NEMA type 3R, 12 enclosures - service entrance rated disconnect - 12Vdc or 24Vdc control Voltage - extended comprehensive warranties 2, 3, 5, 10 years |
| Lug Capacities | see spec sheet above |
| Enclosure | UL type 1 indoor (types 3R, 12 optional) |
| Nominal Dimensions (H x W x D) | see spec sheet above |
| Weight | see spec sheet above |
This switch is available with service entrance rating as an optional adder. Without this option you normally will need a service entrance rated disconnect between this switch and your power company meter.
Item Number: OTEC600
Price: $6,040
Price last updated 3/20/2024
Shipping Weight: 225 lbs.
This item ships with free ground freight to the USA 48 states.
This item normally ships in approximately 11 weeks or less.
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