Datasheet

Data Sheet 602021
V1.00/EN/00073206
Page 2/14
JUMO GmbH & Co. KG
Delivery address: Mackenrodtstraße 14
36039 Fulda, Germany
Postal address: 36035 Fulda, Germany
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.net
JUMO Instrument Co. Ltd.
JUMO House
Temple Bank, Riverway
Harlow, Essex CM20 2DY, UK
Phone: [phone]
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumo.co.uk
JUMO Process Control, Inc.
6733 Myers Road
East Syracuse, NY 13057, USA
Phone: [phone]
1-800-554-5866
Fax: [phone]
E-mail: [e-mail]
Internet: www.jumousa.com
Types and DIN registry numbers
Version Types Switching function DIN register no. Important note
1 pole
snap-action switches
EM-1
EM-2
EM-3*
EM-4*
EM-5
TR
TW
TW
TB
TB
TR 777
TW 778
TW 778
TB 780
TB 780
DIN-tested
up to max. +500 °C.
The DIN registry no.
will become
null and void
if thermowells
are used
that are not
specified in our
data sheet 606710
Type EM-50
DVGW registry no.
CE-0085 AR 0124
*Setpoint value/
limit value
permanently
factory-set
according to
customer
specifications
2 single-pole
snap-action switches
EMF-13
EMF-23
EMF-33*
EMF-14
EMF-24
EMF-44*
EMF-54
TR/TW
TW/TW
TW/TW
TR/TB
TW/TB
TB/TB
TB/TB
TR 777
TW 778
TW 778
TR 777
TW 778
TB 780
TB 780
3 single-pole
snap-action switches
(without VDE approval)
EMF-133
EMF-134
EMF-233
EMF-234
EMF-333*
EMF-444*
EMF-544
TR/TW/TW
TR/TW/TB
TW/TW/TW
TW/TW/TB
TW/TW/TW
TB/TB/TB
TB/TB/TB
TR 777
TR 777
TW 778
TW 778
TW 778
TB 780
TB 780
4 single-pole
snap-action switches
(without VDE approval)
EMF-1333
EMF-2333
EMF-3333*
TR/TW/TW/TW
TW/TW/TW/TW
TW/TW/TW/TW
TR 777
TW 778
TW 778
Fail-safe version EM-40*
EM-50
EM-20
EM-30*
STB
STB
STW (STB)
STW (STB)
STB 782
STB 782
STW (STB) 775 S
STW (STB) 775 S
Technical data
Table of control ranges and probes for TR, TW, TB – liquid-filled
Control range/
limit value range
°C
Switching
differential
%
Max.
probe
temperature
°C
Max.
switching head
temperature
°C
Max.
capillary length
in mm
Max.
sequence
contact gap
°C
Probe length "L" in mm,
probe Ø "d" in mm,
Ø "6" = Standard
Ø 6 Ø 8
-20 to +40 10
2.5
50
70
+50
+50
+95
+100
+50 5000
005
008
025
050
245
245
138
103
145
145
091
073
-20to50 10
2.5
50
70
+60
+60
+105
+110
+60
3000
3000
5000
5000
005
010
025
050
283
283
159
117
165
165
101
080
20 to 90 10
2.5
50
70
+115
+115
+140
+175
+80
1000
1000
5000
5000
007
014
035
070
210
210
121
091
127
127
082
067
0 to 100 10
2.5
50
70
+125
+125
+165
+200
+80
2000
2000
5000
5000
010
020
050
100
157
157
094
073
100
100
068
058
30 to 110 10
2.5
50
70
+135
+135
+170
+200
+80
2000
2000
5000
5000
008
016
040
080
188
188
110
084
116
116
076
063
0 to 150 10
2.5
50
+173
+173
+200
+80 1000
015
030
075
113
113
072
078
078
057
0 to 200 10
2.5
+230
+230
+80 1000
020
040
113 078
50 to 200 10
2.5
+230
+230
+80 1000
015
030
139 092
50 to 250 10
2.5
50
+288
+288
+300
+80
1000
1000
5000
020
040
100
105
105
064
070
070
049
50 to 300 10
2.5
+345
+345
+80 2000
025
050
087 061