Miniature Circuit Breakers / Supplemental Protectors

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Supplementary Protector / Miniature Circuit Breaker

Introduction Standards Compliance Product Selection Accessories Specifications Approximate Dimensions
Specifications

1492-SP Series C
Description B Curve C Curve D Curve
Tripping Characteristics Resistive or Slightly-Inductive Loads Inductive Loads Highly-Inductive Loads
3…5 In 5…10 In 10…20 In
Current Range 1…63 A 0.5…63 A 0.5…40 A
Poles (18 mm width per pole) 1, 2, 3, 1 +N, 3 + N
Dielectric Strength 1960V AC
Shock 25 G Half Sine Wave for 11 ms (3 axes)
Vibration Frequency Range: 10…2000 Hz
Max. Amplitude (p-p) = 0.030 in.
Max. Acceleration = 5 G
2 hours each of 3 axes
Operating Temperature Range 23…104 °F (–5…+40 °C) non-condensing
Shipment and Short-Term Temperature Limits –40…+185 °F (–40…+85 °C)
Housing Material Nylon
Wire Size #18…8 AWG (1.0…10 mm2)
Tightening Torque — 2.4 N•m (21 lb•in.)
#6…4 AWG (16…25 mm2)
Tightening Torque — 3.1 N•m (27 lb•in.)
Recommended Wire Strip Length 0.51 in. (13 mm)
Electromechanical Life 6000 operations
(1 operation = 2 switching events) ON/OFF
Switched Neutral Rating 277V AC
Supplementary Protector
Certifications UL 1077 - Recognized Component QVNU2 - E65138
CSA C22.2 No. 235 Certified Component
Use Group (UG) UG A - General Industrial
Terminals (FW) FW 3 Line and Load evaluated for field wiring
Overload Rating (OL) OL 0 (general use)
1-Pole, 1-Pole + N
Maximum Volts 277V AC 48V DC
Tripping Current (TC) TC 1, 40 °C TC 1, 40 °C
Short-Circuit Current Rating (SC) SC U2 SC U1
  < 35 A 10 kA @ 277V AC; B and C Curve
5 kA @ 277V AC; D Curve 		10 kA @ 48V DC; B, C, and D Curve
40, 50, 63 A 5 kA @ 277V AC; B, C, and D Curve
2-Pole, 3-Pole, 3-Pole + N
Maximum Volts 480Y/277V AC 125V DC (2-pole - series)
Tripping Current TC 2, 40 °C TC 2, 40 °C
Short-Circuit Current Rating (SC) SC U2 SC U1
  < 35 A 10 kA @ 480Y/277V AC; B and C Curve
5 kA @ 480Y/277V AC; D Curve 		10 kA @ 125V DC; B, C, and D Curve
40, 50, 63 A 5 kA @ 480Y/277V AC; B, C, and D Curve
  

Auxiliary Specifications

  Auxiliary Contact Module
Dual Auxiliary Contact Module
Auxiliary/Signal Alarm Module
Cat. Nos. 1492-ASPH3, 1492-ASPHH3, 1492-ASPHS3 		Undervoltage Release Module
Cat. Nos.
1492-ASPU115
1492-ASPU230 		Shunt Trip Module
Cat. Nos.
1492-ASPA1
1492-ASPA2
Degree of Protection IP20 (IP00)
Dimensions See below
Weight 0.045 kg 0.155 kg 0.155 kg
Mechanical Lifespan 6000 operations 10 000 operations 4000 operations
Minimum Impulse Duration — — > 15 ms
Operating Voltage — 1492-ASPU115:
Un-115V AC, Umin-50V AC 		1492-ASPA1:
110…415V AC, 110…230V AC
— 1492-ASPU230:
Un-230/240V AC, Umin-110V AC 		1492-ASPA2:
12…110V AC, 12…60V AC
Inrush Current — 3.6/44 mA (AC/DC) 25/12 mA (AC)
15/2 mA (DC)
Dropout — 0.7…0.35 x Us —
Voltage Range — — 0.7…1.1 x Us
EN/IEC Max. Operating
Current 		AC 13 @ 250V AC 3 A
AC 15 @ 250V AC 0.5 A
DC 12 @ 110V DC 0.5 A
Umin-5V AC 		— —
Terminal Capacity
IEC Rigid, CU 		0.5…2.5 mm2
2 x 0.5…2 x 2.5 mm2 		0.5…4.0 mm2
2 x 0.5…2 x 2.5 mm2 		1.0…25 mm2
2 x 1.0…2 x 4.0 mm2
Tightening Torque 0.8 N•m 1.1 N•m 2.4 N•m
UL 1077
CSA C22.2 No. 235 		Max. Operating
Current 		@ 230V AC 2 A
@ 110V DC 0.5 A
Umin-5V CDC 		— —
Terminal Capacity CU #18…14 AWG
2 x #18…2 x #14 AWG 		#18…14 AWG
2 x #18…2 x #14 AWG 		#18…8 AWG
2 x 18…2 x #12 AWG
Tightening Torque 7 lb•in. 10 lb•in. 21 lb•in.