Body material
Cast aluminium
Type of operator
spring return without operating lever
Contact sequence number
18
Function available
Neutral position
Switch actuation
From left or right
CW and CCW
Type of approach
Lateral approach
Electrical connection
Screw-clamp terminals AWG 22...AWG 12
Cable entry
1 entry for 1/2" - 14 NPT conforming to ANSI B1.20.1
Contacts type and composition
2 NC
CW operation contacts
1 NO + 1 NC
CCW operation contacts
1 NC + 1 NO
Switch function
DPST-NC-DB
Contacts material
90/10 AgCdO on copper backing stationary contact
Silver on steel backing moveable contact
Contact operation
Slow-break, break before make
Minimum torque for tripping
95 ozf.in
Maximum actuation speed
90 ft/min with 45° cam angle, levers only
130 ft/min with 30° cam angle, levers only
Maximum displacement angle
70 °
Contact code designation
A600, AC (Ue = 600 V) Ie = 1.2 A conforming to NEMA rating designation
A600, AC (Ue = 480 V) Ie = 1.5 A conforming to NEMA rating designation
A600, AC (Ue = 240 V) Ie = 3 A conforming to NEMA rating designation
A600, AC (Ue = 120 V) Ie = 6 A conforming to NEMA rating designation
[Ithe] conventional enclosed thermal current
20 A
[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
[Uimp] rated impulse withstand voltage
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
Short-circuit protection
20 A Bussmann class CC KTK-R-20 non-time delay
Terminals description ISO n°1
(1-2) left side contact
(3-4) right side contact