100 Amp 4 Pole Isolator Switch

Wenzhou XiFa Electric Power Equipment Co., Ltd is a reliable factory to produce solid 100 amp 4 pole isolator switches. The company adopts epoxy resin or thermoset plastics as insulation material to provide effective insulation between conductive parts and prevent phase to phase short circuits. And the contact could be high conductivity copper or silver plated copper alloy to ensures reliable connection and disconnection of the circuit, with silver plating reducing resistance, heating, and oxidation. Additional, for each sold 100 amp 4 pole isolator switches, the technical team will reply question from clients within 24hours.

Send Inquiry

Product Description

A 100 amp 4 pole isolator switch is an electrical switching device designed to disconnect circuits and cut off the power supply. It consists of four separate poles, including two input terminals and two output terminals. By providing a reliable disconnection, the 100 amp 4 pole isolator switch ensures both personnel and equipment safety.

The 100 amp 4 pole isolator switch is typically made up of three main parts: the enclosure, the operating mechanism, and the electrical components. The enclosure is manufactured from insulating materials to prevent current leakage and electric shock. The operating mechanism allows the switch to be opened or closed manually, while the electrical components include poles, connection terminals, and other conductive elements.

Common Applications of 100 amp 4 pole isolator switch:

1.Power Systems: Widely used in substations and distribution networks, the 100 amp 4 pole isolator switch disconnects or redirects power flow, helping maintain safe and stable operation of the grid.

2.Industrial Installations: Applied in machinery control and automation systems, 100 amp 4 pole isolator switch provides safe disconnection of power during maintenance, ensuring both worker and equipment protection.

3.Transportation Systems: In railways, metros, and other transport infrastructure, the switch is used to isolate electrical circuits, securing safety for passengers, staff, and equipment.

100 Amp 4 Pole Isolator Switch

Production Parameter:

lth (A)	125A	160A	200A	250A	315A	400A	500A	630A	1000A	1250A	1600A	2000A	2500A	3150A	4000A
Ui(V)	750	750	750	750	1000	1000	1000	1000	1000	1000	1000	1000	1000	1000	1000
Dielectric strength (V)	5000	5000	5000	5000	8000	8000	8000	8000	10000	10000	10000	10000	10000	10000	10000
Uimp (KV)	8	8	8	8	12	12	12	12	12	12	12	12	12	12	12
Working Current le(A)
400V AC21B	125	160	200	250	315	400	500	630	1000	1250	1600	2000	2500	3150	4000
400V AC22B	125	160	200	250	315	400	500	630	1000	1250	1600	2000	2500	2500	2500
400V AC23B	125	160	200	250	315	340	425	500	800	1000	1250	1250	1250	1250	1250
750V AC21B	125	160	160	200	315	400	400	500	1000	1000	1600	2000	2500	3150	4000
750V AC22B	125	160	160	160	315	315	315	315	800	800	800	2000	2000	2000	2000
750V AC23B	80	80	100	125	125	125	125	125	400	400	500	1000	1000	1000	1000
220V DC21	125	160	200	250	315	400	500	630
220V DC22	125	160	200	250	315	400	400	500
220V DC23	125	125	160	200
440V DC21	100	125	160	200	315	400	400	500
440V DC22	100	125	160	200	315	400	400	500
440V DC23	100	125	160	200
Motor Power(KW)
400V	63	80	100	132	160	220	280	315	560	560	560	710	710	710	710
750V	75	75	90	110	185	185	185	185	475	475	475	750	750	750	750
lcw (KA Rms,0.1S/1.0S)	20/10	20/10	30/12	30/12	45/20	45/20	50/25	50/25	90/50	90/50	90/50	90/50	90/50	90/50	90/50
Making and Breaking Capacity
lcn(A Rms) AC23B 400V	1250	1250	2000	2000	3150	4000	4000	4000	10000	10000	10000	10000	10000	10000	10000
lcm(A Rms) AC23B 400V	1000	1000	1600	1600	2500	3200	3200	3200	8000	8000	8000	8000	8000	8000	8000
lcm(KA Peak Value)	12	12	17	17	30	30	40	40	70	70	70	70	70	70	70
Mechanical Life (times)	10000	10000	10000	10000	5500	5500	5500	5500	4000	4000	3000	2500	2500	2500	2500
Electrical Life (times)
Ue=660V Rated Current le
COS∮＝0.95 AC21B	1500	1500	1500	1500	750	750	750	750	600	600	450	400	400	350	350
COS∮＝0.65 AC22B	1000	1000	1000	1000	500	500	500	500	400	400	300	200	200	200	200
COS∮＝0.35 AC23B	500	500	500	500	250	250	250	250	200	200	150	100	100	100	100
Weight (kg)
3 poles	1	1	2	2	3.5	3.5	4	4	10.5	10.5	16	31	31	42	90
4 poles	1.5	1.5	2.5	2.5	4	4	4.5	4.5	13	13	20	40	40	49	102
Operating Torque(Nm)	6.5	6.5	10	10	14.5	14.5	14.5	14.5	27	27	27	60	60	60	110

Type		Frame Size (mm)						installation Size (mm)
Type		A	B	C	C1	D	G	a	b	Φc	H	K	M
HD13-100	3P	210	190	80	160	80	250	80	160	Φ7	90	82	M8
HD13-100	4P	290	190	80	160	80	250	160	160	Φ7	90	82	M8
HD13-200	3P	210	190	80	160	80	250	80	160	Φ7	90	82	M8
HD13-200	4P	290	190	80	160	80	250	160	160	Φ7	90	82	M8
HD13-400	3P	240	205	92	180	90	250	90	160	Φ7	88	82	M12
HD13-400	4P	330	205	92	180	90	250	180	160	Φ7	88	82	M12
HD13-600	3P	270	300	100	188	100	250	100	160	Φ9	88	82	M16
HD13-600	4P	370	300	100	188	100	250	200	160	Φ9	88	82	M16
HD13-1000	3P	325	315	116	226	120	250	120	160	Φ9	85	78	2-M12
HD13-1000	4P	450	315	116	226	120	250	240	160	Φ9	85	78	2-M12
HD13-1500	3P	360	355	125	238	130	250	130	160	Φ11	85	78	4-M12
HD13-1500	4P	490	355	125	238	130	250	260	160	Φ11	85	78	4-M12
HD13-2000	3P	360	355	125	238	130	250	130	160	Φ11	85	78	4-M12
HD13-2000	4P	490	355	125	238	130	250	260	160	Φ11	85	78	4-M12

Type	A	B	C	D	E	F	H	Φa	Φb	G
HD13-2000	520	350	170	180	48	36	277.5	12	9	250
HD13-3000	600	390	200	180	60	40	233	16	11	250

100 Amp 4 Pole Isolator Switch

Production FAQ:

Q: What is a 100 amp 4 pole isolator switch?

A: It is a manual switch designed to safely disconnect a four-wire system, typically three-phase plus neutral, from the power supply. Rated at 100 amps, it provides a visible and reliable isolation point for maintenance and safety purposes.

Q: How does a 100 amp 4 pole isolator switch differ from a 100 amp 3 pole isolator switch?

A: A 3 pole isolator only disconnects the three phase lines. A 4 pole isolator disconnects the three phases and the neutral simultaneously, ensuring total circuit isolation. This reduces the risk of residual current flow and provides higher safety in certain applications.

Q: What are the main benefits of using a 100A 4 pole isolator switch?

A: The key advantages include complete disconnection of phases and neutral, a compact design that saves space, ease of installation, and high reliability. It provides a clear, visible break point that enhances safety during maintenance.

Hot Tags: 100 Amp 4 Pole Isolator Switch, Industrial Isolator Switch Supplier, Electrical Isolator Wholesale

Related Category