Dwyer | Mercoid | WE Anderson | Flotect

Mercoid Series DA Options

 

Circuits for Snap Switch Contacts

Circuit Suffix No. Switch Action
-153 SPDT, one circuit OPENS as other CLOSES
-804 Two SPDT, operate simultaneously in one direction upon increase or decrease

Circuits for Mercury Switch Contacts

Circuit Suffix No.

Switch Action

-2 SPST, OPENS on increase
-3 SPST, CLOSES on increase
-153 SPDT, One OPENS as other CLOSES
-804 (2) SPDT, Two OPEN as Two CLOSE
  • (1) Note (3) 1/4 HP at 120V AC, 1/2 HP at 240V AC
  • (2) Note (4) DC rated controls (up to 10 Amps)
  • Note (5) 5A, 30V DC resistive

Electrical Ratings for Snap Switch Contacts

Code Circuit
Suffix No.
AC Capacity DC Resistive
Horsepower
120V
240V
440V 120V 240


AC


DC
D
-153 15A
15A
15@ 480 1/2A
1/4A
1/8
  N/A
E
-153 15A
15A
NA
Note 4
Note 4
Note 3
N/A
G
-804 5A
5A
NA Note 5
Note 5
N/A
N/A

Electrical Ratings for Mercury Switch Contacts

Code Circuit Suffix No. AC Capacity DC Resistive Horsepower
120V    240V    440V
120V     240

AC   DC

A -2, -3
10A 5A 3A
10A 5A
3/4   1/3
B -153, -804
4A 2A
4A 2A
1 /8   NA
H -2,-3
5A 2A NA
21/2A 1A
1/8   1/10
-2, -3
0.3A 0.15A NA
0.15A 0.07A
NA    NA
  • (1) 153 circuit available 1A 440V AC on special order
  • (2) Also rated 0.9 Amps at 24 V AC