ASCO Power Technologies Products Digital Binder

ASCO SERIES 300 Manual Transfer Switch with Dual Purpose Quick Connects

ASCO SERIES 300 MTDQ

ASCO SERIES 300 MGDQ

UTILITY

UTILITY

SOURCE 1

SOURCE 1

SOURCE 2

SOURCE 2

LOAD

LOAD

Permanent Gen Breaker

Permanent Gen Breaker

TO LOAD

TO LOAD

TO MTDQ

TO MGDQ

E L N

E L N

Permanent Generator

Permanent Generator

Female Camlocks

Female Camlocks

Male Camlocks

Male Camlocks

(Load Bank Connection)

(Load Bank Connection)

ASCO 7000 SERIES Bypass Switch

ASCO 7000 SERIES Bypass Switch

Temporary Generator

Temporary Generator

Catalog Information 3QC

3MTDQ

A

3

0600

N

0X

M

Phase Poles

Voltage Code

Group Code

Frame

Product

Neutral Code

Amperes

Enclosure

J = 150 - 600A

3MTDQ - Manual Transfer Switch with Dual Quick Connects 3MGDQ - Manual Transfer Switch with Dual Quick Connects and Portable Generator breaker

A - Solid Neutral

2 3

0150 0200 0225 0250 0400 0600 0800 1000 1200 1600 2000 2500 3000

C - 208 D - 220 E - 230 F - 240 H - 380 J - 400 K - 415 L - 440 M - 460 N - 480 P - 550 Q - 575 R - 600

00 - No Accessory

M - Type 3R Secure

H = 800 - 1200A

S - Type 3RX Secure (316) SS

B - Switched Neutral

0X - Accessory

G = 1600 - 3000A

0Z - Custom Accessory

ASCO 171 MTDQ & MGDQ User Interface/Annunciation Accessories 171 B P

1

Accessory Description

User Interface/Controls

Phase Rotation

IO Module

B – Base (Source Indication Only. No engine start switch or common alarm) E – Maintained Engine Start Switch/ Output With Common Alarm Input/ LED/Contact K – Keyed Maintained Engine Start Switch/Output with Common Alarm Input/LED/Contact

P = Phase Rotation Monitor (LED)

1 = IO Module

All 171 Accessories Include LEDs and Contacts For:

Blank = none

Blank = None

• Source 1 Available • Source 2 Available

• Connected to Source 1 • Connected to Source 2 • Disconnected Position • Load Bank Connection

Additional ASCO MTDQ & MGDQ Accessories

Accessories Description 44A Strip heater with thermostat prevent condensation and ice formation of water. External 120V power source required

44G Strip heater with thermostat wired to load terminals 72EE Connectivity module provides remote monitoring 73 Surge Suppressor Rated 65kA 135L Power Meter on Load Side (includes shorting block and current transformers)

ASCO Power Technologies 160 Park Avenue, Florham Park, NJ 07932

www.ascopower.com customercare@ascopower.com 1-800-800-ASCO (2726) © 2024, R3. Publication 2079