Asco 300 Dual QC Manual Transfer Switch (3Ph, 600A)

This ASCO Series 300 Manual Transfer Switch with Dual Purpose Quick Connects (MGDQ/MTDQ) is designed to manually transfer three phase 600A loads between a temporary generator and a permanent generator, and provides quick camlock connections for both the temporary generator and the load bank testing of the permanent generator.  These switches offer an all-in-one solution for connecting temporary power during the testing and maintenance of the permanent generator.

MODELS

• MGDQ: Includes breakers on the load bank camlock connections and the temporary generator camlock connections.
• MTDQ: Includes breaker on the load bank camlock connections only.

FEATURES

• Provides a total temporary power connection, load bank connection, and manual transfer solution in a single UL-1008 listed unit.
• Can be used to satisfy NEC 700.3 requirements to provide connection to a temporary generator while a permanent generator is being load bank tested or serviced.
• Dual-operator configuration provides 3-position switching with center-off position, pad-lockable in any position.
• ASCO’s reliable, field-proven, transfer switching technology.
• Utilizes 16 Series female camlock connectors for quick connection to a load bank.
• Integrated 80% Rated Circuit Breaker on the load bank camlock connections.
• Utilizes 16 Series male camlock connectors for quick connection to a temporary generator.
• Optional integrated 80% Rated Circuit Breaker on the temporary generator camlock connections.
• Exterior doors have pad-lockable handles with 3-point latch.
• Floor-mounted Type 3R secure outdoor enclosure standard.
• Listed to UL 891 standards. Transfer switch is UL1008 listed.

DOWNLOADS

Asco 300 MGDQ/MTDQ Data Sheet

Asco 300 MGDQ/MTDQ 150-600A Operator’s Manual

Asco 300 MGDQ 600A Drawing (with Breaker on Temporary Generator Connection)

Asco 300 MTDQ 600A Drawing (without Breaker on Temporary Generator Connection)

Asco 300 Quick Connect Products Brochure

Asco 300 Warranty

TRANSFER SWITCH OPTIONS

• Other 50/60Hz three phase voltages.
• Other enclosure: Type 3RX 316-Stainless Steel secure outdoor enclosure.

Please Note: Some Specs (including withstand ratings, dimensions, and weights) may vary with some of the options above.

OPTIONAL ACCESSORIES

Please order with transfer switch.

• Accessory 44G – Strip Heater – Prevents condensation and freezing of condensation. Wired to load terminals: 208-240V or 480-600V. Contains wiring harnesses for all transfer switch sizes. Includes thermostat. (Also available as a field kit – see below for more information)
• Accessory 72EE – Connectivity Module for remote monitoring. (Also available as a field kit – see below for more information)
• Accessory 73 – Surge Suppressor Rated 65kA.
• Accessory 119 – Shunt Trip Options on the Breaker.
• Accessory 125A – Seismic Rated Construction.
• Accessory 134 – 100% Rated Breaker.
• Accessory 135L – Asco 5210 Digital Power Meter monitors the load source Voltage, Frequency, and Current. Calculates and displays Power, Energy, and Power Factor. (Also available as a field kit – see below for more information)
• Accessory 171 – User Interface/Annunciation – Offers LED indicators and contacts for transfer switch position, source availability, and load bank connection. Can be configured with or without phase rotation monitoring, a keyed or unkeyed maintained engine start switch with common alarm LED/contact, and an IO module for building management system integration. (See MTS with Dual Purpose Quick Connects brochure above for more information)