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Power Automation & Safety

Bangladesh Distributor

A30NK

Key-type Selector Switches

A30NK

30-mm dia. Key-type Selector Switches Control panel miniaturization through a more compact design and modified wiring direction. Addition of Push-In Plus terminal blocks for easy wiring. Workability and safety improvements.

about this Product Family

Specifications

Certified Safety Standard Ratings

UL 508 (File No. E76675), CSA C22.2 No.14

E76675), CSA C22.2 No.14

TÜV (EN60947-5-1)

AC-15 3 A 240 VAC
DC-13 4 A 24 VDC

CCC (GB14048.5)

AC-15 3 A 240 VAC
DC-13 4 A 24 VDC

Application Standards

UL1059 and UL486E (Push-In Plus terminal block type)

Ratings

Contacts (Standard Load)

Rated insulation voltage 600 V
Rated carry current 10 A
Rated voltage 24 V 120 V 240 V 380 V 440 V
AC at 50/60 Hz Resistive load (AC-12) 10 A 10 A 6 A 2A 2 A
Inductive load (AC-15) 10 A 6 A 3 A 1.9 A 1.6 A
DC Resistive load (DC-12) 8 A 2.2 A 1.1 A --- ---
Inductive load (DC-13) 4 A 1.1 A 0.55 A --- ---

Note: 1. The above ratings were obtained by conducting tests under the following conditions.
               (1) Ambient temperature: 20 ±2°C
               (2) Ambient humidity: 65% ±5% RH
               (3) Operating frequency: 30 operations/minute
            2. Minimum applicable load: 10 mA at 5 VDC.

Specifications (When Operation Unit, Mounting Collar, and Contact Blocks Are Combined)

Characteristics

Item Key-type Selector Switches
Allowable operating
frequency
Mechanical 30 operations/minute max.
Electrical 30 operations/minute max.
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 100 mΩ max. (initial value)
Dielectric strength Between terminals
of same polarity
2,500 VAC at 50/60 Hz for 1 min. (initial value)
Between each terminal
and ground
2,500 VAC at 50/60 Hz for 1 min. (initial value)
Vibration resistance Malfunction 10 to 55 Hz, 1.5-mm double amplitude (malfunction within 1 ms)
Shock resistance Malfunction 1,000 m/s2 max. (malfunction within 1 ms)
Durability Mechanical 500,000 operations min. (Switches with 3 positions: 300,000 operations min.)
Electrical 500,000 operations min. (Switches with 3 positions: 300,000 operations min.)
(250 VAC, 3 A, with an inductive load having power factor cos θ = 0.4)
Ambient operating temperature*1 -25 to 70°C
Ambient operating humidity 35% to 85% RH
Ambient storage temperature*1 -40 to 80°C
Degree of protection*2 Conforming to IP66
Electric shock protection class Class II
PTI (tracking characteristic) 175
Degree of contamination
(application environment)
3 (EN 60947-5-1)
Weight Approx. 75 g (for 1NC/1NO)

*1. With no icing or condensation.
*2.Degree of protection from the front of the panel.

Operating Characteristics (for SPST-NO/ SPST-NC)

Item Key-type Selector Switches
Manual reset Automatic reset
Total travel force (torque) (maximum TTF) 0.6 N·m 0.6 N·m
Total travel (TT) 2 positions: Approx. 90°, 3 positions: Approx. 45°
Resetting force (torque) (RF) 0.5 N·m max. ---

Examples of Linked Contact Blocks (Screw terminal block type)

A30NK Specifications 14

Key-type Selector Switches
2 positions 3 positions
Linking example 3449_sp_4_1 3449_sp_4_2

Note: If you increase the number of Contact Blocks, evaluate the Switch under actual working conditions before permanent
          installation and use the Switch within a number of switching operations that will not adversely affect the Switch’s
          performance.