Cummins Onan OTPC PowerCommand Service Entrance Series: 40

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Cummins Onan OTPC PowerCommand Service Entrance Series: 40 - 600 Amps

OTPC|Service Entrance|3 & 4 Pole|40 - 600 AMPS

Part #:cummins-otpc-service-entrance-transfer-switch

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Cummins Power Generation’s Service Entrance Transfer Switches are designed for operation and switching of electrical loads between primary power and standby generator sets. They are suitable for use in emergency, legally required and optional standby applications.

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PowerCommand® control - A standard, fully featured microprocessor-based control.
Software-enabled features, settings, and adjustments are available for ease of setup and accuracy.
Overcurrent disconnect device - UL Listed 489, Square D breaker.
Robust control system design
Optically isolated logic inputs and high isolation transformers for AC power inputs provide high-voltage surge protection
Communications capability
The transfer switch is capable of communicating with other transfer switches
Accessories with a SCADA network or with Cummins Power Generation generators utilizing LonWorks® protocol.
Main contacts
- Heavy-duty silver alloy contacts with separate arcing surfaces and multi-leaf arc chutes are rated for total system transfer including overload interruption.
Easy service/access
Plug connections, doormounted controls, ample access space for both all top and all bottom power connections, and compatible terminal markings.
The control is field programmable.
Product lines, accessories and services
Cummins Power Generation offers a wide range of accessories and services to suit your requirements.
Warranty and service - Backed by a comprehensive warranty and worldwide distributor network.

Specifications

Voltage rating Transfer switches rated from 40 A through 600 A are rated up to 480 VAC, 50 or 60 Hz.
Arc interruption Multiple leaf arc chutes cool and quench the arcs.
Covers prevent interphase flashover and are transparent for visual inspection.
Neutral bar A full current-rated neutral bar with lugs is standard on enclosed 3-pole transfer switches.
Auxiliary contacts Two contacts (one for each source) are provided for customer use.
Wired to terminal block for easy access.
Rated at 10A continuous and 250 VAC maximum.
Operating and storage temperature -13 °F (-25 °C) to 140 °F (60 °C) (breaker operating temperature)
Humidity Up to 95% relative, non-condensing
Altitude Up to 10,000 ft (3,000 m) without derating Surge withstand ratings Surge-tested for location category B3, per IEEE C 62.41.
Testing per IEEE 62.45. Control tested to
European Surge Test EN 61000-4-5.
Total transfer time (sourceto- source)
Will not exceed 6 cycles at 60 Hz with normal voltage applied to the actuator and without programmed transition installed.
Manual operation handles
Transfer switches rated through 1000 A are equipped with permanently attached operating handles and quick-break, quick-make contact mechanisms suitable for manual operation.
Transfer switches over 1000 A are equipped with manual operators for service use only under de-energized conditions.