BX系列防爆限位开关

BX/BX2 系列开关坚固耐用，适用于全球各地的危险或爆炸环境。

为了符合防爆开关的要求，开关外壳内具有火焰通道，能够容纳和冷却可导致开关外爆炸的高温气体和烟雾。

✓ BX/BX2 系列开关坚固耐用，适用于全球各地的危险或爆炸环境
✓ 无论这些设备或者机制在何处设计、创建或安装，BX 和 BX2 系列产品的足迹遍及全球
✓ 两种产品均可用于户外的爆炸性气体/粉尘环境，密封可防止天气因素影响
✓ BX/BX2 系列的所有操作头均可现场调节 90° 增量

下载规格书 PDF 咨询选型 / 索样查看技术图册（4）

技术图册与资料

技术参数与规格说明

29 项 4 节 7 表 1 列

01Honeywell BX系列防爆限位开关

产品特点

1. 电路：1NC/1NO,2NC/2NO,3NC/1NO

2. 额定电流：10A

3. 密封等级：IP67

4. 工作温度：-40°C至70°C[-40°F至158°F]

07性能参数 / PERFORMANCE PARAMETER

参数	侧面柱塞-针式 / 侧面旋转式 / 顶部柱塞-针式可调节 / 摆杆-触须式	侧面柱塞-针式可调节 / 侧面旋转保持式 / 顶滚轮柱塞 / 摆杆-塑料棒式	侧面滚轮柱塞 / 顶部柱塞-针式 / 顶部旋转式
电路	1NC 1NO SPDT速动,双断 / 2NC 2NO DPDT速动,双断 / 3NC 1NO慢动,双断	1NC 1NO SPDT速动,双断 / 2NC 2NO DPDT速动,双断 / 3NC 1NO慢动,双断	1NC 1NO SPDT速动,双断 / 2NC 2NO DPDT速动,双断 / 3NC 1NO慢动,双断
电流	10A	10A	10A
外壳材料	铝（BX）或不锈钢（BX2）	铝（BX）或不锈钢（BX2）	铝（BX）或不锈钢（BX2）
电气终端	0.5英寸-14 NPT导管；0.75英寸-14 NPT导管；20 mm导管	0.5英寸-14 NPT导管；0.75英寸-14 NPT导管；20 mm导管	0.5英寸-14 NPT导管；0.75英寸-14 NPT导管；20 mm导管
环境密封	NEMA 1、3、4、6、13；IP67	NEMA 1、3、4、6、13；IP67	NEMA 1、3、4、6、13；IP67
工作温度	氟硅密封标准：-40°C至70°C[-40°F至158°F] / 可选与氟碳密封：-12°C至70°C[10°F至158°F]	氟硅密封标准：-40°C至70°C[-40°F至158°F] / 可选与氟碳密封：-12°C至70°C[10°F至158°F]	氟硅密封标准：-40°C至70°C[-40°F至158°F] / 可选与氟碳密封：-12°C至70°C[10°F至158°F]

09机械尺寸 / MECHANICAL DIMENSION

主视图与侧视图尺寸（mm / [in]）：

51.85 [2.04]
39.62 [1.56]
19.81 [0.78]
31.75 [1.25]
25.40 [1.00]
49.15 [1.94]
46.48 [1.83]
85.73 [3.375]
38.10 [1.50]
96.77 [3.81]
146.05 [5.75]
62.36 [2.46]
MTG. PADS
Ø76.20 [3.00]
120.65 [4.75]
25.40 [1.00]
41.15 [1.62]
73.18 [2.88]

警告 CAUTION：USE ONLY NON-SPARKING ACTUATORS

安装孔：2X Ø5.16 /[0.203] MTG. HOLES

后部螺纹孔：2X 5/16 - 18 UNC - 2B TAPPED FROM REAR × 22.23 [0.875] min.

15产品选型

PRODUCT SELECTION

Switch Type

Series	Description
BX	BX Series Aluminum Hazardous Area Limit Switch
BX2	BX2 Series Stainless Steel Hazardous Area Limit Switch

Conduit Threads

Code	Description	Notes
—	1/2 or 3/4 NPT	** see Body/Basic Switch Code column
4	20 mm	If conduit code "4" in this column is selected, conduit in Body/Basic Switch column does not apply.

NOTE: If 1/2 NPT or 3/4 NPT conduit is desired, no code is necessary. Leave blank.

Head Style*

Code	Description
A*	Side rotary; momentary
B	Top rotary; momentary
C*	Top pin plunger, momentary
D*	Top roller plunger, momentary
E*	Side pin plunger; momentary
F*	Side roller plunger; momentary
H*	Side rotary, momentary; low PT, low torque
J	Wobble stick
K	Cat whisker
L*	Side rotary; sequential, momentary
M*	Side rotary; central neutral, momentary
N*	Side rotary; maintained
P*	Side rotary, momentary; low PT and DT
R*	Side rotary, momentary; low torque
V	Top pin plunger, adjustable, momentary
W	Side pin plunger, adjustable, momentary

Body/Basic Switch Code

Code	Configuration
1A	3NC/1NO, slow acting, 3/4-14 NPT
1E	3NC/1NO, slow acting, gold-plated contacts
3E	1NC/1NO, snap action, 1/2-14 NPT, gold-plated contacts
3K	1NC/1NO, snap action, 1/2-14 NPT
4K	1NC/1NO, snap action, 3/4-14 NPT
4L	2NC/2NO, snap action, 3/4-14 NPT
4M	2NC/2NO, snap action, sequential, 3/4-14 NPT
4N	2NC/2NO, snap action, center neutral, 3/4-14 NPT
4S	2NC/2NO, snap action, 3/4-14 NPT, gold-plated contacts
4T	2NC/2NO, snap action, sequential, 3/4-14 NPT, gold-plated contacts
4U	2NC/2NO, snap action, center neutral, 3/4-14 NPT, gold-plated contacts
7L	2NC/2NO, snap action, 1/2-14 NPT
7N	2NC/2NO, snap action, center neutral, 1/2-14 NPT
7S	2NC/2NO, snap action, 1/2-14 NPT, gold-plated contacts
7T	2NC/2NO, snap action, sequential, 1/2-14 NPT, gold-plated contacts
7U	2NC/2NO, snap action, center neutral, 1/2-14 NPT, gold-plated contacts

Actuator Modification

Code	Description
1	CW rotation
2	CCW rotation
3	Right-oriented actuator head assembly
4	Left-oriented actuator head assembly
5	Head assembled with actuator to mounting surface
6	Roller perpendicular to mounting surface
8	Roller parallel to mounting surface

Actuator Options

Code	Description
1A*	Fixed Ø 0.75 in x 0.25 in W nylon roller, 1.5 in radius, front mount
1C*	Fixed Ø 0.75 in x 0.25 in W nylon roller, 1.5 in radius, back mount
2A	Adjustable, Ø 0.75 in x 0.25 in W nylon roller, front mount
2C*	Adjustable, Ø 0.75 in x 0.25 in W nylon roller, back mount
2J	Adjustable, Ø 1.0 in x 0.5 in W nylon roller, front mount
2K	Adjustable, Ø 1.0 in x 0.5 in W nylon roller, back mount
3S	Adjustable, Ø 0.75 in x 0.25 in W nylon rollers, same side, back mount
4M	Hub rod, aluminum
5A	Offset, Ø 0.75 in x 0.25 in W nylon roller, back mount
5C	Offset, Ø 0.75 in x 0.25 in W nylon roller, front mount
7A	Plastic wobble stick
8A	Cat whisker, 5.5 in

产品参数

现货型号

BX4A3K
BX4A3K-1A
BX4C3K
BX4D3K
BXA3K
BXA4L
BXC3K
BXA3K-1A
BXA3K+LSZ52C
BXA4L-1A
BXM4N-1A
LSZ52C
BXN4L

BXD4L

常见问题