IAR/IUR/IER/CUR/CER Series
“1U, 1RU” Magnetic Circuit Protectors
Introduction
Poles & Terminals
Configurations
Delay Curves & Specifications
Operating Characteristics
Hardware
Decision Tables
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IAR/IUR/IER/CUR/CER Series
“1U, 1RU” Hydraulic Magnetic Circuit Protectors
FEATURES
• UL1077, TÜV, UL489A approved
• Designed to fit in a “1RU” application
• 5000 AIC (80VDC), 2000 AIC (250VAC) interrupt capacity
• Series or mid-trip with auxiliary switch alarm options
• Various delays including motor start
• 1 to 2 poles, multiple termination options
INTRODUCTION
The Airpax™ IAR/IUR/IER/CUR/CER series is a snap-acting hydraulic-magnetic circuit breaker / protector that combines power
switching and accurate, reliable circuit protection in one aesthetically pleasing, “1U” or “1RU” sized package.
Designed for rack mount applications, the IAR/IUR/IER/CUR/CER series allows efficient use of rack space without sacrificing
performance via proven hydraulic-magnetic technology that provides consistent operation from -40°C to 85°C, with a circuit interrupt
capacity up to 5,000 AIC at 80VDC and 2,000 AIC at 250VAC. Available in series trip and mid-trip configurations, with auxiliary alarm
switch options to provide monitoring of critical circuits.
The CER series circuit breaker provides the necessary ratings for wireless and wired applications while meeting UL489A and TÜV
requirements for approval.
APPROVALS
Ratings
2 to 65 amps
2 to 50 amps
2 to 50 amps
Voltage
80VDC
80VDC
250VAC
A.I.C.
5,000
5,000
2,000
Agency Approvals
UL489A, TÜV EN60947-2 & C-UL
UL1077, TÜV EN60943 & C-UL
UL1077, TÜV EN60943 & C-UL
Poles
1
2
2
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IAR Series - Introduction
http://airpax.sensata.com
Panel Mounting Detail, Single Pole
POLES & TERMINALS
The Airpax™ IAR/IUR/IER/CUR/CER series is available with one or two poles with
various bullet, stud and screw terminals. Engineered for safe, sure operation, the
toggle handles may be specified in blue, white, red, orange, green, yellow or black.
2X
1.146
[29.11]
0.156
Ø
[3.96]
0.755
[19.18]
0.842
[21.39]
0.152
[3.86]
Single Pole
Two Pole
(with or without two handles)
2x 6-32 THREAD
0.140 [3.56] DEEP
M3 ISO THREAD OPTIONAL
0.311
[7.90]
0.832
[21.13]
1.146
[29.11]
0.154
[3.91]
Panel Mounting Detail, Two Pole, One Handle
0.755
[19.18]
1.146 0.842
[29.11] [21.39]
0.152
[3.86]
0.750
[19.05]
4X
0.156
Ø
[3.96]
2x 6-32 THREAD
0.140 [3.56] DEEP
M3 ISO THREAD OPTIONAL
0.311
[7.90]
0.832
[21.13]
1.146
[29.11]
0.154
[3.91]
0.750
MAX
[19.05]
1.515
MAX
[38.48]
0.325
[8.26]
0.250
[6.35]
0.325
[8.26]
Panel Mounting Detail, Two Pole, Two Handles
1.530
[38.86]
0.400
[10.16]
1.146
[29.11]
0.842
[21.39]
0.152
[3.86]
0.750
[19.05]
0.156
Ø
[3.96]
4X
0.400
[10.16]
Auxiliary switch wires not shown for clarity
IAR Series - Poles & Terminals
IAR Series (1U, 1RU)
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