6 Instrument description
26
Contact rating
Fuse required
see contact rating
Enclosure
protection
EN 60 529 - IP65, operation in normal conditions
Operating
medium
water, oil, air, superheated steam
Time constant
t
0.632
Action
according to EN 60 730-1
TW:
Type 2BL = automatic action
with micro disconnection in operation,
no auxiliary power source required.
STB, STW (STB):
Type 2BK = automatic action
with micro disconnection in operation,
with break protection.
Weight
approx. 1.0 kg
TW with differentials 3, 5, 6, 9% / STW (STB) 5, 7, 9% and STB
10 (2) A, 230 V AC +10%,
p.f. = 1 (0.6)
0.25 A, 230 V DC +10%
TW with differential 1.5% / STW (STB) 2%
6 (1.2) A, 230 V AC +10%,
p.f. = 1 (0.6)
0.15 A, 230 V DC +10%
microswitch gold-plated, code /au
0.1 A, 24 V AC/DC
contact resistance 2.5 — 10 m
Ω
in water
in oil
in air / superheated
steam
≤
45 sec
≤
60 sec
≤
120 sec
