IULHPK21-1REG4-37377-150 AIRPAX, IULHPK21-1REG4-37377-150 Datasheet - Page 20

• Manufacturer Part Number: IULHPK21-1REG4-37377-150
• Description: CIRCUIT BREAKER
• Manufacturer: AIRPAX

147
IAL/IUL/IEL DECISION TABLES
The ordering code for IAL/IUL/IEL/LEL
circuit protectors may be determined by
following the decision steps in the
appropriate part number decision table
subsequent to this page.
The coding given permits a self-assigning
part number but with certain limitations.
Special applications may require a factory
assigned part number. Typical examples
are units with mixed ratings, combinations
of styles, or constructions not listed in the
third decision table, etc. With these, it is
suggested that order entry be by
description and/or drawings, and a part
number will be established. Additionally, it
is standard policy to establish a factory-
assigned part number whenever a
descriptive drawing exists to provide cross
reference, traceability and manufacturing
control.
When specifying a circuit breaker for AC
motor start or high inrush applications, the
peak amplitude and surge duration should
be specified for factory assistance in rating
selection.
For example the code shown is the code
for a single pole breaker with a series
construction and auxiliary switch,
designed for operation in a 50/60Hz
circuit. It has a short time delay, rating of
20 amperes and a marked black handle,
and is VDE approved.
To determine the ordering number for your
particular IAL/IUL/IEL unit, simply follow
the steps shown. you may use this number
to place an order or as a reference for
further questions you may have.
Notes:
IEL, IELH and IELX circuit protectors are designed
to meet 8mm creepage clearance requirements for
installation Category 111, Pollution Degree 3, Case A as
measured in IEC 664. Intended for use in equipment to
comply with IEC 950, 601 and VDE 0804 & 0805.
IAL/IUL/IEL/LEL Series - IAL/IUL/IEL Decision Tables
* Only one auxiliary switch is normally supplied on two or three
This approval requires the addition of a C at the end
of the part number. The unit will not be VDE Approved.
Note: CCC Approval is pending.
-0
-1
-1REC4
-1REC5
-1REG4
-1RS4
-1RLS4
-1RS5
-3
-4
pole units. Switch is located in the right-hand pole (viewed from
terminal end) unless otherwise specified.
1
***IELBX
3
C = CCC Approved
***IEL
***IELH
***IULN
***IELX
***IELZX
*** IML
*** IMLH
***UL Recognized, CSA Certified, VDE Approved
**UL Recognized, CSA Certified
**IULBX
**IMLBX
**IUL
**IULH
**IULX
**IULZX
*UL Recognized
* IDL
* IDLH
IALBX
IAL
IALH
IALX
IALZX
IALN
First Decision
Select Type and Terminal
Type
Third Decision
Internal Configuration
Series with auxiliary switch*
.110 quick connect
Series with auxiliary switch*
.187 quick connect
Series with auxiliary switch
.110 quick connect
Series with alarm switch,
electrical trip, .110 quick connect
terminals
Series with alarm switch,
electrical trip, .110 quick connect
terminals (mid-trip only)
Series with alarm switch,
electrical trip, .187 quick connect
terminals
Shunt
Relay (not available in IEL/IELX)
Switch only (50, 70 or 100 amp switch)
Series
One handle per unit
One handle per pole
One handle per unit
panel seal
One handle per unit,
rocker, bracket mounting
One handle per unit,
rocker, integral mounting
One handle per unit
UL 1500
One handle per pole
UL 1500
One handle per unit
mid trip indication
One handle per pole
mid trip indication
One handle per unit,
rocker, accidental-off
protection
One handle per unit,
mid trip indication, rocker,
accidental-off protection
Description
K
C
B
Example:
IEL 1 - 1REC4- 61- 20.0 - 01 - V
*Not available in toggle seal handle type. Consult factory
for 5 and 6 pole IEL part number.
Note: CCC Approval is pending.
Terminal
The shaded areas denote VDE and CCC
(if applicable) Approval options. This approval
requires the addition of a V at the end of the
part number. The V will be added to any part
number formed entirely from shaded decisions.
If non-shaded areas are selected, the unit will not
be VDE or CCC Approved, but other approvals
still apply.
Standard screw terminal,
no designation required
Stud terminals
Clip terminals
Bullet terminals
1
11
111
1111
1
SW
-41
-42
-43
-49
-51
-52
-53
-59
-61
-62
-63
-69
-71
-72
-73
-79
For addition of inertial delay, add an ìFî to any
delay numeral.
2
4
V = VDE and CCC Approved
Fourth Decision
Frequency & Delay
Second Decision
Poles
Switch only
400Hz short delay
400Hz long delay
400Hz motor start
400Hz 150% instant trip
DC short delay
DC long delay
DC motor start
DC 125% instant trip
50/60Hz short delay
50/60Hz long delay
50/60Hz motor start
50/60Hz 125% instant trip
DC/60Hz short delay
DC/60Hz long delay
DC/60Hz motor start
DC/60 Hz 135% instant trip
2
Single pole
Two pole
Three pole
Four pole*
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