D4B-N
Safety Limit Switch
Positive Action Limit Switches with
Direct Drive Contacts for Critical
Switching Applications
H
Snap-action contact for accurate switching
H
H
with safe operation via direct drive positive
opening mechanism
Two sets of contacts: one (NC) for safety
circuit and the other (NO) for control circuit
Safety of lever settings ensured as a
mechanism engages a gear between the
operating position indicator plate and the
lever
Conforms to EN (TÜV) standards
corresponding to the CE marking
3-conduit switches are available for easy
wiring
Conforms to these standards and
EC Directives:
H
H
H
uCE
Machinery Directive
Low Voltage Directive
EN1088
EN50041
H
Approved Standards
Snap-Action Models
Agency
TÜV Rheinland
Standard
EN60947-5-1
File No.
R9851083
(Positive opening:
approved)
R9151372
(Positive opening:
approval pending)
(See note 1.)
UL
CSA
BIA (See note 2.)
UL508
C22.2 No. 14
GS-ET-15
E76675
LR45746
1-conduit: 9202158
3-conduit: 9309655
UL
CSA
BIA (See note.)
SUVA (See note.)
UL508
C22.2 No. 14
GS-ET-15
SUVA
Slow-Action Models
Agency
TÜV Rheinland
Standard
EN60947-5-1
File No.
R9151643
(Positive opening:
approved)
(See note)
E76675
LR45746
1-conduit: 9202158
3-conduit: 9309655
1-conduit: E6188.d
3-conduit: E6189.d
Note: 1. Adjustable roller lever, adjustable rod lever, coil spring,
and plastic rod models only.
2. Not including adjustable roller lever, adjustable rod
lever, coil spring, and plastic rod models.
Note: Not including adjustable roller lever, adjustable rod lever,
coil spring, and plastic rod models.
2
D4B-N
Ordering Information
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MODEL NUMBER LEGEND
D4B-jjjjN
1
2
3
1.
Conduit
1: PG13.5 (1-conduit) European type
2: G1/2 (PF1/2) (1-conduit) Japanese type
3: 1/2-14NPT (1-conduit) North American type
5: PG13.5 (3-conduit) European type
6: G1/2 (PF1/2) (3-conduit) Japanese type
7: 1/2-14NPT (3-conduit) North American type
Built-in Switch
1: 1NC/1NO (Snap-action)
A: 2NC (Slow-action)
5: 1NC/1NO (Slow-action) (See Note)
3.
2.
Note: Excluding D4B-jj81N and D4B-jj87N models.
Actuator
00: Switch box (without head)
11: Roller lever (standard)
13: Adjustable rubber roller lever
16: Adjustable roller lever
17: Adjustable rod lever
1R: Roller lever
(conventional D4B-compatible)
70: Top plunger
71: Top roller plunger
81: Coil spring
87: Plastic rod
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SWITCHES (EN50041)
Description
Actuator
Part number
Conduit size/type
PG13.5 (European)
1NC/1NO
(Snap-action)
Side
rotary
Roller lever
(form A)
Adjustable
roller lever,
rubber, 50.0
mm (1.97 in)
dia.1/2-14NPT
Adjustable
roller lever
(See Note 1)
Adjustable rod
lever (form D)
(See Note 1)
Top
plunger
Plain
(form B)
Roller
(form C)
Wobble
lever
(See
Note 2)
Standards
Coil spring
Plastic rod
D4B-1111N
D4B-3113N
1NC/1NO
(Slow-action)
D4B-1511N
D4B-3513N
2NC
(Slow-action)
D4B-1A11N
D4B-3A13N
G1/2 (Japanese)
1NC/1NO
(Snap-action)
D4B-2111N
———
1NC/1NO
(Slow-action)
D4B-2511N
2NC
(Slow-action)
D4B-2A11N
1/2-14NPT (North American)
1NC/1NO
(Snap-action)
D4B-3111N
———
1NC/1NO
(Slow-action)
D4B-3511N
2NC
(Slow-action)
D4B-3A11N
D4B-1116N
D4B-1516N
D4B-1A16N
D4B-2116N
D4B-2516N
D4B-2A16N
D4B-3116N
D4B-3516N
D4B-3A16N
D4B-1117N
D4B-1517N
D4B-1A17N
D4B-2117N
D4B-2517N
D4B-2A17N
D4B-3117N
D4B-3517N
D4B-3A17N
D4B-1170N
D4B-1171N
D4B-1181N
D4B-1187N
EN60947-5-1
D4B-1570N
D4B-1571N
---
---
D4B-1A70N
D4B-1A71N
D4B-1A81N
D4B-1A87N
D4B-2170N
D4B-2171N
D4B-2181N
D4B-2187N
EN60947-5-1
D4B-2570N
D4B-2571N
---
---
D4B-2A70N
D4B-2A71N
D4B-2A81N
D4B-2A87N
D4B-3170N
D4B-3171N
D4B-3181N
D4B-3187N
EN60947-5-1
D4B-3570N
D4B-3571N
---
---
D4B-3A70N
D4B-3A71N
D4B-3A81N
D4B-3A87N
Note: 1. The slow-action models with adjustable roller levers or adjustable rod levers are approved under the Forced Opening Certificate
(TÜV) of the EN standard, but they do not conform to the GS-ET-15 Standard (BIA) and SUVA.
The snap-action models with adjustable roller levers or adjustable rod levers are not approved under the Forced Opening
Certificate (TÜV) of the EN standard.
2. The wobble lever models are ordinary limit switches and are not approved under EN, GS, and SUVA’s Forced Opening
Certificate.
3
D4B-N
3-Conduit Switch
Description
Actuator
Part number
Conduit size
PG13.5 (European) See Note 2
1NC/1NO
(Snap-action)
Side
rotary
Roller lever
(form A)
Adjustable
roller lever,
rubber, 50.0
mm (1.97 in)
dia.
Adjustable
roller lever
(See Note 1)
Adjustable
rod lever
(form D)
(See Note 1)
Top
plunger
Plain
(form B)
Roller (form
C)
Wobble
lever
(See
Note 2)
Standards
Coil spring
Plastic rod
D4B-5111N
D4B-7113N
1NC/1NO
(Slow-action)
D4B-5511N
D4B-7513N
2NC
(Slow-action)
D4B-5A11N
D4B-7A13N
G1/2 (Japanese)
1NC/1NO
(Snap-action)
D4B-6111N
———
1NC/1NO
(Slow-action)
D4B-6511N
2NC
(Slow-action)
D4B-6A11N
1/2-14NPT North American
1NC/1NO
(Snap-action)
D4B-7111N
1NC/1NO
(Slow-action)
D4B-7511N
2NC
(Slow-action)
D4B-7A11N
D4B-5116N
D4B-5516N
D4B-5A16N
D4B-6116N
D4B-6516N
D4B-6A16N
D4B-7116N
D4B-7516N
D4B-7A16N
D4B-5117N
D4B-5517N
D4B-5A17N
D4B-6117N
D4B-6517N
D4B-6A17N
D4B-7117N
D4B-7517N
D4B-7A17N
D4B-5170N
D4B-5171N
D4B-5181N
D4B-5187N
EN60947-5-1
D4B-5570N
D4B-5571N
---
---
D4B-5A70N
D4B-5A71N
D4B-5A81N
D4B-5A87N
D4B-6170N
D4B-6171N
D4B-6181N
D4B-6187N
EN60947-5-1
D4B-6570N
D4B-6571N
---
---
D4B-6A70N
D4B-6A71N
D4B-6A81N
D4B-6A87N
D4B-7170N
D4B-7171N
D4B-7181N
D4B-7187N
EN60947-5-1
D4B-7570N
D4B-7571N
---
---
D4B-7A70N
D4B-7A71N
D4B-7A81N
D4B-7A87N
Note: 1. The slow-action models with adjustable roller levers or adjustable rod levers are approved under the Forced Opening Certificate
(TÜV) of the EN standard, but they do not conform to the GS-ET-15 Standard (BIA) and SUVA.
The snap-action models with adjustable roller levers or adjustable rod levers are not approved under the Forced Opening
Certificate (TÜV) of the EN standard.
2. The D4B-jN is a Limit Switch conforming to European standards, and PG13.5 is commonly used in Europe.
3. The wobble lever models are ordinary limit switches and are not approved under EN, GS, and SUVA’s Forced Opening
Certificate.
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LEVERS (FOR SIDE ROTARY SWITCHES)
Description
Actuator
Standard
Adjustable roller lever
Adjustable rod lever
Interchangeable with D4B-0001
Length
31.5
25 to 89
145 max.
33.7
Diameter of roller
17.5 dia.
19 dia.
---
19 dia.
D4B-0001N
D4B-0006N
D4B-0007N
D4B-000RN
Part number
Note: Other lever types are also available.
Specifications
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APPROVED STANDARD RATINGS
TÜV Rheinland: EN60947-5-1
Utilization category
Rated operating current (I
e
)
Rated operating voltage (U
e
)
AC-15
2A
400 V
Note: As protection against short-circuiting, use either a gI-type or gG-type 10-A fuse that conforms to IEC269.
4
D4B-N
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UL/CSA: (UL508, CSA C22.2 NO. 14)
A600
Rated voltage
g
120 VAC
240 VAC
480 VAC
600 VAC
C y
Carry current
10 A
Current
Make
60 A
30 A
15 A
12 A
Break
6A
3A
1.5 A
1.2 A
Volt-amperes
Make
7,200 VA
Break
720 VA
Q150
Rating Codes for DC Control-Circuit Contacts
Thermal continuous
test current
current,
amperes
2.5
Maximum make or break current, amperes
125 Volt
0.55
250 Volt
—
301 to 600 Volt
—
Maximum make or break volt-amperes at
300 volts or less
69
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CHARACTERISTICS
Item
p
y
Life expectancy
(see note 2)
(
Operating speed
Operating frequency
Rated frequency
Insulation resistance
Contact resistance
Dielectric strength
Between terminals of same polarity
Between terminals of different polarity
Between current-carrying metal parts
and ground
Between each terminal and
non-current-carrying parts
Rated insulation voltage (U
i
)
Operating environmental pollution level
Conditional short-circuit current
Conventional enclosed thermal current
(I
the
)
Electric shock protection class
Vibration resistance
Shock resistance
Ambient temperature
Ambient humidity
Degree of protection
Weight
U
imp
2.5 kV
---
U
imp
4 kV
U
imp
4 kV
600 VAC (EN60947-5-1)
3 (EN60947-5-1)
100 A (EN60947-5-1)
20 A (EN60947-5-1)
Class I (with grounding terminal)
Malfunction: 10 to 55 Hz, 0.75 mm single amplitude
Destruction: 1,000 m/s
2
min.
Malfunction:300 m/s
2
min.
Operating: --40°C to 80°C, with no icing (--25°C to 80°C for the flexible-rod type)
Operating: 95% max.
IP67 (EN60947-5-1)
Approx. 250 g
U
imp
4 kV
U
imp
4 kV
U
imp
4 kV
U
imp
4 kV
Mechanical
Electrical
Snap-action
30,000,000 operations min.
1 mm/s to 0.5 m/s
Mechanical: 120 operations/min
Electrical: 30 operations/min
50/60 Hz
100 MΩ min. (at 500 VDC) between terminals of the same polarity and between each
terminal and non-current-carrying part
25 mΩ max. (initial value)
Slow-action
10,000,000 operations min.
500,000 operations min. (at a 250 VAC, 10-A resistive load)
Counter electromotive voltage at switching 1,500 VAC max. (EN60947-5-1)
Note: 1. The above values are for initial operation.
2. The life expectancy is for an ambient temperature of 5°C to 35°C and ambient humidity of 40% to 70%. For further conditions,
consult your OMRON sales representative.
3. The values in this table are for an ambient temperature of 5°C to 35°C and ambient humidity of 40% to 70%. For further condi-
tions, consult your OMRON sales representative.
5
D4B-N
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OPERATING CHARACTERISTICS
Model
OF max.
RF min.
PT
PT (2nd)
(see note 3)
OT min.
MD max.
(see note 4)
POT min.
O
POF min.
TT
FP max.
OP
Note: 1.
2.
3.
4.
D4B-jj11N
9.41 N
1.47 N
21±3°
45°
50°
12°
35° (Slow-action models)
55° (Snap-action models)
19.61 N
75°
---
---
49.03 N
7.0 mm
38 mm
35±1 mm
51 mm
48±1 mm
---
---
---
---
D4B-jj16N
(see note 1)
D4B-jj17N
(see note 2)
2.12 N
0.29 N
D4B-jj70N
18.63 N
1.96 N
2.0 mm max.
3.0 mm
5.0 mm
1.0 mm
3
3.2 mm
D4B-jj71N
D4B-jj81N
1.47 N
---
15° max.
---
---
---
---
D4B-jj87N
The operating characteristics of these Switches were measured with the roller lever set at 31.5 mm.
The operating characteristics of these Switches were measured with the rod lever set at 140 mm.
Only for slow-action models.
Only for snap-action models.
Engineering Data
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ELECTRICAL LIFE EXPECTANCY
SNAP-ACTION MODELS
(cosφ = 1)
10,000
5,000
125 VAC
(cosφ = 0.4)
10,000
Operating frequencies:
30 times/min., cosφ = 1
7,000
5,000
Operating frequencies:
30 times/min., cosφ = 0.4
Operations (x 10
3
)
250 VAC
480 VAC
Operations (x 10
3
)
3,000
3,000
250 VAC
1,000
700
500
300
500 VAC
1,000
500
300
100
Switching current (A)
Switching current (A)
6
