Hubbell LMTS User Manual

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Hubbell Industrial Controls, Inc.

LMTS

Manual Transfer Switches

Bulletin LMTS-1 (February 2008, repl. April, 2001)

Features:

Single Handle Operator (up through 1200 Amps)

Type 1 enclosed

Non-fused

Key lockable

Quick Break-QuickMake Contacts

UL Listed components

DPDT Auxiliary Contacts

2, 3, & 4 poles available

Sizes from 40A-4000A

Interlock allows door opening only when switch is in off position

Terminals accept copper or aluminum cable

Optional Features:

Solid Neutral

Ground Bar

Type 3R, 4X or 12 rated enclosures

Service Entrance Rating

Meter groups: Volts, Amps, Frequency

Light groups: Power Avail., Switch Position

Lockable in all three positions

Fusible

Consult factory for features not listed

Application Information:

Hubbell manual transfer switches are designed to provide dependable transfer of power from one source to another while preventing potentially dangerous feedback from the generator to the utility system.

These switches are available in 2, 3, or 4 pole configurations from 40-4000Amps. Single handle transfer mechanisms are used through 1200 Amps. Double handles may be used for 1600 Amps and above.

LMTS type switches include 'UL listed components and are built to''meet or exceed UL98 and UL508 standards. These devices are typically installed with a generator in a standby power system. The purpose of which is to provide an alternate source of power for residential or commercial applications where the loss of power could cause discomfort, interruption of business, or damage to products or contents.

Key Components:

1.Manual transfer mechanism: Normal-Off-Emergency

2.NEMA Type 1 enclosure

3.Power available light: Emergency (optional)

4.Locking handles (optional)

5.Power available light: Normal (optional)

6.Emergency source connection

7.Load connection

8.DPDT Auxiliary contacts

9.Normal source connection

10.Quick Break-QuickMake contacts

Enclosure Dimensions & Weights

(for estimating purposes only-consultfactory for actual dimensions)

# of Poles

Amp Rating

H

W

D

Wt.

2 & 3

40-100

14"

12"

8"

 

2 & 3

125-200

30"

30"

12"

150#

2 & 3

400

48"

36"

12"

425#

2 & 3

600

48"

36"

12"

450#

2 & 3

800

78"

60"

30"

600#

2 & 3

1200

78"

60"

30"

650#

2 & 3

1600-2000

91"

60"

30"

1400#

2 & 3

2500-3000

92"

60"

31"

 

2 & 3

4000

92"

60"

31"

 

LMTS Short Circuit Ratings:

with upsteam protective device as shown

Amp

w/Current-LimitingFuse

w/Circuit Breaker

Rating

Fuse Size

Amperage

Breaker Size

 

Amperage

 

 

(Amps-max.)

(max.)

(Amps-max.)

 

(max.)

 

 

40

110

*10,000

100

 

10,000

60

110

*10,000

100

 

10,000

80

110

*10,000

100

 

10,000

100

110

*10,000

100

 

10,000

125

200

*100,000

200

 

25,000

200

200

*100,000

200

 

25,000

400

600

*100,000

600

 

50,000

600

600

*100,000

600

 

50,000

800

1,200

**100,000

1,200

 

50,000

1200

1,200

**100,000

1,200

 

50,000

1600

2,000

**100,000

2,000

 

65,000

2000

2,000

**100,000

2,000

 

65,000

2500

3,000

**200,000

3,000

 

25,000

3000

3,000

**200,000

3,000

 

30,000

4000

4,000

**200,000

4,000

 

30,000

 

 

 

*=Type RK5

fuse

 

 

 

**=Type L fuse

 

Hubbell Industrial Controls, Inc.

A subsidiary of Hubbell Inc.

4301 Cheyenne Drive, Archdale, N.C. 27263

Telephone (336) 434-2800• FAX (336)434-2803

http://www.hubbell-icd.com

sales@hubbell-icd.com