MICRO SWITCH™ Miniature Safety Switches
24CE Series
004787
Datasheet
Issue 1
FEATURES
• Compact metal housing epoxy encapsulated with the common
25,4 mm [1.0 in] center-to-center mounting
• Positive opening operation of normally closed contacts
to EN/IEC 60947-5-1-3 specification
• Designed and agency evaluated for safety functions up to a
SIL3 level
• Three different slow-action circuit options: 1NC/1NO BBM
(break-before-make), 1NC/1NO MBB (make-before-break),
and 1NC
• Wide range of actuator heads and levers
• Can be gang mounted for multiple-pole capability
• CE approvals
• Environmentally sealed to IP66
• Standard temperature operating range of 0 °C to 70 °C
[32 °F to 158 °F]
• Optional low temperature operating range of -40 °C to 70 °C
[-40 °F to 158 °F]
DESCRIPTION
Honeywell’s 24CE Series of miniature electromechanical safety
switches are designed with a rugged metal housing. This Series
features positive opening normally closed contacts
to
EN/IEC 60947-5-1-3 specifications. Due to their small size and
positive opening normally closed contact, the 24CE Series
provides a safety solution for applications where the size of other
products could be prohibitive on the machinery. The 24CE Series
offers a variety of configurations which include a wide range of
actuators, and circuits to solve many application issues. These
miniature switches are weather sealed to IP66 for demanding
environments on indoor or outdoor machinery. In addition,
the 24CE Series has been evaluated for safety functions up
to a safety integrity level (SIL) of SIL3 when evaluated to the
requirements of IEC 61508-2:2010.
POTENTIAL APPLICATIONS
• Industrial
- Machine tools (small doors and apertures)
- Material handling
- Packaging machinery
- Trailer/truck restraint systems (dok-loks)
• Transportation
- Small construction machinery
PORTFOLIO
MICRO SWITCH™ 24CE Series miniature safety switches
complement the
924CE Series
of miniature safety limit switches.
These Series of switches are a small segment of the total family
of Honeywell’s MICRO SWITCH™ electromechanical safety
switches.
VALUE TO CUSTOMERS
• Miniature rugged 24CE switches with common 25,4 mm
[1.0 in] mounting footprint
• Switches easily gang mounted for multi-pole capability
• Low temperature option of -40 °C [-40 °F]
• Long life of up to 10 million mechanical operations
DIFFERENTIATION
• Miniature metal body size of 40 mm L x 16 mm W x 49 mm H
[1.58 in L x 0.63 in W x 1.93 in H] requires less space
on machinery
• Positive opening normally closed contacts
with an
optional normally open contact
• Designed and evaluated for safety functions up to a SIL3 level
Sensing and Productivity Solutions
MICRO SWITCH™ Miniature Safety Switches, 24CE Series
Table 1. Specifications
Characteristic
Description
Certifications
Housing material
Parameter
Miniature safety electromechanical switch
CE, SIRA, IEC/EN60947-5-1
Epoxy coated die-cast zinc
Pin plunger (24CE1-)
Roller plunger parallel (24CE2-)
Roller plunger perpendicular (24CE3-)
Rotary (24CE16-)
Pin plunger with boot seal (24CE18-)
Roller plunger parallel, panel mount (24CE28-)
Roller plunger perpendicular, panel mount (24CE29-)
Roller plunger parallel with boot seal (24CE31-)
Roller plunger perpendicular with boot seal (24CE55-)
Ball-bearing plunger (24CE66-)
3-core or 5-core harmonised Cenelec cable
1NC/1NO BBM (break-before-make), 1NC/1NO MBB (make-before-break), 1NC
(all normally closed contacts are positive opening)
Slow action
Silver alloy, gold-plated contacts optional
AC15, B300: DC13, R300
240 V ac or dc
1.5 A, 0.1 A
10 A
2500 V
10 A
IP66
Standard: 0 °C to 70 °C [32 °F to 158 °F]
Optional: -40 °C to 70 °C [-40 °F to 158 °F]
>1,000,000 cycles
>25,000 cycles
Up to SIL3 (HFT1), IEC61508-2:2010
1 year
Actuators
Termination
(electrical connection)
Contact options
Contact type
Contact material
Utilization category
Rated operational voltage (Ue)
Rated operational current
Rated thermal current (Ith)
Rated impulse withstand
(Uimp)
Maximum fuse rating
Environmental sealing
Operating temperature
MCTF (Mechanical life)
MCTF (Electrical life)
SIL Capability
Proof test interval
Table 2. Electrical Ratings EN/IEC 60947-5-1
ac
B300
UE
(Volts)
120
240
AC15
IE
(Amps)
3
1.5
VA Rating
Make
3600
3600
Break
360
360
dc
R300
UE
(Volts)
125
250
DC13
IE
(Amps)
0.22
0.1
VA Rating
Make
28
28
Break
28
28
2
sensing.honeywell.com
MICRO SWITCH™ Miniature Safety Switches, 24CE Series
Figure 1. Product Nomenclature
24CE
1
S
Contact Arrangement
and Type
3
Cable
Length*
A
Switch Type
Head Type
Options**
Miniature
Safety Switch
24CE
1
2
3
16
18
28
29
31
55
66
Top pin plunger
Ø 10 mm (sst)
Top roller plunger
parallel, Ø12,7
x 4,7 wide (steel)
Top roller plunger
perpend., Ø12,7
x 4,7 wide (steel)
Front rotary
(less lever)
Top pin plunger
10 mm (sst) with
boot seal
Top roller plunger
parallel, Ø12,7 x 4,7
wide (steel), panel mount
Top roller plunger
perpend., Ø12,7 x 4,7
wide (steel), panel mount
Top roller plunger
parallel, Ø12,7 x 4,7
wide (steel), boot seal
Top roller plunger
perpend., Ø12,7 x 4,7
wide (steel), boot seal
Top ball bearing,
Ø 7,9 mm
S
T
Y
1NC/1NO SPDT
BBM slow action
1NC/1NO SPDT
MBB slow action
1NC SPST
slow action
1
2
3
4
5
6
1 meter of cable
2 meters of cable
3 meters of cable
4 meters of cable
5 meters of cable
6 meters of cable
A
B
C
D
G
M
Side exit cable
Low temperature
construction
Side exit cable and
low temperature
construction
Halogen-free
cable
Gold-plated contacts
PUR cable
* For other cable lengths available, contact your Honeywell provider.
** More than one option may be permissible.
Sensing and Productivity Solutions
3
MICRO SWITCH™ Miniature Safety Switches, 24CE Series
GANG-MOUNT CAPABILITY
The 24CE Series housing has been designed to enable the user
to build their own multiple plunger switch by gang mounting
several switches. All pin plunger and roller plunger types are
suitable for gang mounting. There is a 16 mm distance between
the plungers. The Series is very versatile such that even a lever-
type version could be added at the end of the row.
MOUNTING
MICRO SWITCH™ 24CE Series safety switches are mounted by
using two M5 or #10 screws. The mounting holes are counter
bored to keep the screw heads within the overall switch housing
dimensions.
APPLICATION ILLUSTRATION
Two 24CE roller plunger switches to monitor gate position, closed
or open.
BOTTOM-EXIT OR SIDE-EXIT ORIENTATION
The 24CE Series has been designed with a pre-wired cable fitted
in the bottom of the switch housing. Other variations are available
with a side-exit cable.
CONTACT ARRANGEMENT AND DESCRIPTION
Circuit Type
S
T
Y
* Grey with PUR cable.
BBM
MBB
SPNC
Blue
Black*
Circuit Diagram
Brown
Black
Green
Cable/Connector
5 x 0,75 mm
2
harmonised Cenelec cable
5 x 0,75 mm
2
harmonised Cenelec cable
Blue
Brown
Green
3 x 0,75 mm
2
harmonised Cenelec cable
4
sensing.honeywell.com
MICRO SWITCH™ Miniature Safety Switches, 24CE Series
Table 3. 24CE Order Guide
Operating Force or
Torque (max.)
Bar Chart
¢
Contact Closed
¨
Contact Open
mm or °
Head Type
Catalog
Listing
24CE1-S2
24CE1-S2A
24CE1-S2B
24CE1-S3
24CE1-S6
Options
-
Side-exit cable
Side-exit cable and
-40 °C [-40 °F] low temp.
construction
-
-
Side-exit cable
-
Side-exit cable
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC
1NC
1NC
1NC
1NC
1NC
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO BBM
1NC/1NO MBB
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
29,9
O.P - 2
O.P -1
24,3*
25,9
25,2
29,9
O.P -1
O.P -2
27,7
25,7
17,1
O.P
13,1 *
14,9
17,1
O.P -1
O.P -2
14,9
13,1*
12,9
Top pin plunger,
Ø 10 mm [sst]
24CE1-S6A
24CE1-Y1
24CE1-Y1A
24CE1-Y2
24CE1-Y2A
24CE1-Y3
24CE1-Y8B
24CE2-S1
24CE2-S2
24CE2-S2A
24CE2-S2B
24CE2-S3
24CE2-S6
-
Side-exit cable
-
-40 °C [-40 °F] low temp.
construction
-
-
Side-exit cable
-40 °C [-40 °F] low temp.
25,9*
construction
-
-
Gold plated contacts,
PUR cable
-
-
29,9
O.P
25.9*
27,7
Top roller plunger,
parallel Ø12,7 x 4,7
mm wide [steel]
24CE2-T1GM
24CE2-T2
24CE2-Y1
24CE2-Y1B
24CE2-Y2
24CE2-Y2A
24CE2-Y4
24CE2-Y6A
1NC/1NO MBB
1NC
1NC
1NC
1NC
1NC
1NC
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
22,5 N [5.06 lb]
-40 °C [-40 °F] low temp.
construction
-
Side-exit cable
-
Side-exit cable
* Positive opening to IEC/EN 60947-5-1-3.
**For other cable lengths, contact your Honeywell provider.
Sensing and Productivity Solutions
Harmonised
Cenelec cable **
length (meters)
2
2
2
3
6
6
1
1
2
2
3
8
1
2
2
2
3
6
1
2
1
2
2
2
4
6
Contact
Arrangement
[slow action]
5
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