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Base plate style
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Style 2
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Body material
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Cast aluminium
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Fixing mode
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By the body
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Type of operator
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Spring return without operating lever
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Contact sequence number
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24
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Function available
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Neutral position
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Switch actuation
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From left
CW and CCW
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Type of approach
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Lateral approach
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Electrical connection
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Screw-clamp terminals AWG 22...AWG 12
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Cable entry
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1 entry for 1/2" - 14 NPT conforming to ANSI B1.20.1
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Number of poles
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2
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Contacts style
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D
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Switch function
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DPST-NO-DB
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Contact form
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Form XX
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Contacts material
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90/10 AgCdO on copper backing stationary contact
Silver on steel backing moveable contact
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Contact operation
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Snap action
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Positive opening
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Without
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Minimum torque for tripping
|
170 ozf.in
|
|
Maximum actuation speed
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90 ft/min with 45° cam angle, levers only
130 ft/min with 30° cam angle, levers only
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Tripping angle
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9 °
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Maximum displacement angle
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70 °
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Repeat accuracy
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+/- 0.03 %
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Contact code designation
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A600, AC (Ue = 600 V) Ie = 5 A conforming to NEMA rating designation
A600, AC (Ue = 480 V) Ie = 6.25 A conforming to NEMA rating designation
A600, AC (Ue = 240 V) Ie = 12.5 A conforming to NEMA rating designation
A600, AC (Ue = 120 V) Ie = 20 A conforming to NEMA rating designation
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[Ithe] conventional enclosed thermal current
|
20 A
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[Ui] rated insulation voltage
|
600 V (pollution degree 3) conforming to IEC 60947-1
600 V (pollution degree 3) conforming to UL 508
600 V (pollution degree 3) conforming to CSA C22.2 No 14
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[Uimp] rated impulse withstand voltage
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2.5 kV AC for 1 minute conforming to CE
2.2 kV AC for 1 minute conforming to UL
2.64 kV AC for 1 minute conforming to CSA
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Short-circuit protection
|
20 A Bussmann class CC KTK-R-20 non-time delay
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Width
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57.15 mm
|
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Height
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125.73 mm
|
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Depth
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86.61 mm
|
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Net weight
|
0.68 kg
|
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Terminals description ISO n°1
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(1-2) left side contact
(3-4) right side contact
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Shock resistance
|
30 gn for 9 ms conforming to IEC 60068-2-27
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Vibration resistance
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10 gn (f= 10…55 Hz) conforming to IEC 60068-2-6
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NEMA degree of protection
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NEMA 1 conforming to Nema type 250
NEMA 2 conforming to Nema type 250
NEMA 4 conforming to Nema type 250
NEMA 12 conforming to Nema type 250
NEMA 13 conforming to Nema type 250
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IP degree of protection
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IP67 conforming to IEC 60529
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Electrical shock protection class
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Class 0 conforming to IEC 61140
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Ambient air temperature for operation
|
-23…85 °C
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Ambient air temperature for storage
|
-23…85 °C
|
|
Protective treatment
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Corrosion resistant gray paint
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Product Environmental Profile