Fire Fighting Enterprises Vibration Switch: Explosion Proof - Manual

Doc. No. 0115-03 Page 1 of 4 30.01.06
INSTALLATION GUIDE
VIBRATION SWITCH TYPE : 3171 EEx ed
Ex BAS00ATEX2019X
II 2 G EEx ed IIC T6 Tamb –20
o
C to +50
o
C (High Impact Risk)
II 2 D T85
o
C IP67
II 2 G EEx ed IIC T6 Tamb –55
o
C to +50
o
C (Low Impact Risk)
II 2 D T85 o
C IP67
CONTENTS
1. RATING TABLES
2. MOUNTING AND DIMENSIONS
3. PRINCIPLES OF OPERATION
4. ELECTRICAL CONNECTIONS
5. ADJUSTMENTS AND SETTING
6. MAINTENANCE AND REPAIR
7. STORAGE
8.
CONDITIONS FOR SAFE USE
1. RATING TABLES
Table 1 – Maximum Ratings
MICROSWITCH
MODEL No.
MAX. CURRENT
PER CONTACT
07-1511-
TYPE
SEE -
FIG 2 CONTACT
MATERIAL
MAX.
VOLTS AC DC
MAX.
POWER
Tamb o C LABEL
COLOUR
- 1530 2A SILVER 275V 6A 0.15A -20 to +50 BLACK/SILVER
- 3530 2A GOLD 30V 0.4A 0.12VA -20 to +50 GOLD/SILVER
- 1540 2B SILVER 275V 6A 0.15A -20 to +50 GREEN/SILVER
- 1521 2C SILVER 275V 6A 0.15A -20 to +50 GREEN/SILVER
- 3540 2B GOLD 30V 0.4A 0.12VA -20 to +50 RED/SILVER
- 3521 2C GOLD 30V 0.4A 0.12VA -20 to +50 RED/SILVER
-1533 2D SILVER 275V 6A 0.15A -20 to +50 GREEN/SILVER
-3533 2D GOLD 30V 0.4A 0.12VA -20 to + 50 RED/SILVER
- 1530 2A SILVER 275V 6A 0.15A -55 to +50 BROWN/SILVER
- 3530 2A GOLD 30V 0.4A 0.12VA -55 to +50 BLUE/SILVER
- 1540 2B SILVER 275V 6A 0.15A -55 to +50 PURPLE/SILVER
- 1521 2C SILVER 275V 6A 0.15A -55 to +50 PURPLE/SILVER
- 3540 2B GOLD 30V 0.4A 0.12VA -55 to +50 CYAN/SILVER
- 3521 2C GOLD 30V 0.4A 0.12VA -55 to +50 CYAN/SILVER
-1533 2D SILVER 275V 6A 0.15A -55 to +50 PURPLE/SILVER
-3533 2D GOLD 30V 0.4A 0.12VA -55 to + 50 CYAN/SILVER
Maximum Rating for GOLD CONTACTS (Table 1) with alternating current, the above values have to be
interpreted as peak values.
Table 2 – Alternative Ratings at +40 o C (Silver contacts only)
NOMINAL VOLTAGE OHMIC LOAD INDUCTIVE LOAD
250V AC 5A 3A (CosΘ = 0.6)
30V AC 7A 5A (CosΘ = 0.6)
30V DC 7A 5A (L/R = 3 us)