molded case circuit breakers - Eaton Canada

Terminals➊➋
Two terminals are required per pole.
Terminals are Underwriters’ Laboratories,
Inc. listed for wire type and range listed below.
When used with aluminum cable, use
joint compound. To order optional copper
only terminals, add suffix “C” to complete
breaker catalog number.
Max.
Amperes
Continuous
Ampere
Rating
at 40°C
March 2001
Catalog
Number
Magnetic Trip
Setting
Amperes➑
No. of Cables,
Wire Range, Type,
Complete Breaker Shipped as Frame, Trip Unit and Terminals➒
Includes Pressure Type
Aluminum Terminals➊
Low High Catalog Numbers
600 Ampere Frame Breakers➍ 3-Poles, 240 Volts AC Only
250
1250 2500 LAY3250
LAY3600F
300
1500 3000 LAY3300
LAY3600F
350
1750 3500 LAY3350
LAY3600F
400
2000 4000 LAY3400
LAY3600F
500
2500 5000 LAY3500
LAY3600F
600
3000 6000 LAY3600
LAY3600F
MOLDED CASE CIRCUIT BREAKERS
Replacement Circuit Breakers
REPLACEMENT CAPABILITIES, Continued
Type LA and MARK 75 Type HLA Accessories and Modifications
Standard Al/Cu Pressure Terminals
225➌ TA225LA1 (1) #6-350 MCM Cu, or
(1) #4-350 MCM Al
400➌ TA400LA1 (1) #4-250 MCM Al/Cu,
plus
(1) 3/0-600 MCM Al/Cu
Optional Copper Pressure Terminals
225➌ T225LA (1) #6-350 MCM Cu
225➌➍ T225LBF (1) #6-250 MCM Cu
400➌ T401LA (1) #4-250 MCM Cu,
plus
(1) 3/0-600 MCM Cu
Accessories and Modifications
Listed with Underwriters’ Laboratories,
Inc. except as noted.
Type LA breakers meet requirements for
Class 21a circuit breakers, and Type HLA
meet requirements for Class 23a as defined
by Federal Specification W-C-375b.
Underwriters’ Laboratories, Inc. Listed
Interrupting Ratings➎
Volts Max.
Standard Breakers
Amperes
240 VAC
50,000 Asym., 42,000 Sym.
480 VAC
35,000 Asym., 30,000 Sym.
600 VAC
25,000 Asym., 22,000 Sym.
250 VDC
MARK 75 Breakers
20,000➏
240 VAC
75,000 Asym., 65,000 Sym.
480 VAC
40,000 Asym., 35,000 Sym.
600 VAC
30,000 Asym., 25,000 Sym.
250 VDC
20,000➏
For all 3-phase Delta, grounded B phase
applications, contact your local Cutler-
Hammer Field Sales Office.
Frame Only Trip Unit
Only
2603D46G26
2603D46G27
2603D46G28
2603D46G29
HLA3500T
HLA3600T
➊ Terminals shipped separately from breaker.
➋ Terminals, trip units and accessories are not interchangeable between 400 and 600 ampere frames.
➌ 400 ampere frame only.
➍ Optional terminal.
➎ Interrupting capacities do not apply to molded case switches.
➏ Ratings above 10,000 amperes not UL listed.
➐ Not listed with Underwriters’ Laboratories, Inc.
➑ Set on high side, adjustable to lower limits.
➒ For 600 ampere frame breakers only.
35
Magnetic Only and Ambient Compensating
Breakers➐
For description, refer to Application Data
29-160. To order, select trip unit from table
on page 34, frame and terminals from
table at left.
Special Calibrations➐
Special calibration price additions apply to
ampere ratings not listed as standard or
for ambients other than 40°C or 50°C. For
frequencies other than 0-60 Hz AC refer to
Cutler-Hammer. See Application Data
29-160 for information regarding special
conditions. Maximum 400 Hz calibration:
400 ampere frame, 300 amperes.
50°C Calibration➐
Add suffix “V” to catalog number for complete
breaker or trip unit only, when ordering
breakers to be used in 50°C ambients.
Type LAY 250-600 Amperes, 240 Volts AC, 3-Poles, Interchangeable Trip Thermal Magnetic, 600 Ampere Frame
Special Calibrations➐
Special calibration price additions apply to
ampere ratings not listed as standard or for
ambients other than 40°C or 50°C. For frequencies
other than 0-60 Hz AC, refer to
Cutler-Hammer. See Application Data 29-160
for information regarding special conditions.
Maximum 400 Hz calibration: 600 ampere
frame, 450 amperes.
50°C Calibration➐
Add suffix "V" to catalog number for complete
breaker or trip unit only, when ordering
breakers to be used in 50°C ambients.
Same price as standard 40°C breakers.
For CSA, see page 41.
Type LAY breakers are not defined by
Federal Specification W-C-375b.
Underwriters’ Laboratories, Inc. Listed
Interrupting Ratings
Volts Max. Amperes
240 VAC 115,000 Asym., 100,000 Sym.
For all 3-phase Delta, grounded B phase
applications, contact your local Cutler-
Hammer Field Sales Office.
Terminals➊
Two terminals are required per pole.
Terminals are Underwriters’ Laboratories,
Inc. listed for wire type and range listed
below. When used with aluminum cable,
use joint compound.
Max.
Amps
Catalog
Number
No. of Cables,
Wire Range, Type
Standard Al/Cu Pressure Terminals
500➒
600➒
600➒
LAY, 240 Volts AC
TA602LD
TA603LA
TA600LA
(2) 250-350 MCM Al/Cu
(2) 400-500 MCM Al/Cu
(2) 250-500 MCM Al/Cu
Optional Copper Pressure Terminals
600➐ T600LA (2) 250-500 MCM Cu
Additional Accessories and Modifications
Refer to pages 58-68.
A